Bandstra, J.
Defendant, Allied Chucker and Engineering Company, appeals as of right the judgment entered against it following a nine-day bench trial for the recovery of unpaid sales commissions owing to plaintiff, H. J. Tucker & Associates, Inc. In this case, [554]*554we are asked to decide, in addition to other issues, an issue of first impression involving whether MCL 600.2961; MSA 27A.2961 of the Revised Judicature Act (RJA), which grants treble damages for an intentional failure to pay commissions to a sales representative and authorizes courts to award reasonable attorney fees and court costs to a plaintiff who prevails in an action to recover the commissions due, violates the Title-Object Clause of the Michigan Constitution. Const 1963, art 4, § 24. We conclude that it does not. We affirm the trial court’s judgment in favor of plaintiff.
This cases arises from plaintiff’s claim that it was entitled to unpaid sales commissions from defendant. In 1957, Harold Joseph Tucker (Joe Tucker1) of plaintiff corporation orally contracted with Julien VanMaele of defendant corporation to serve as a manufacturer’s representative for defendant to seek tooling work for defendant from other businesses. In return for his services as a manufacturing representative, Joe Tucker was to be paid a commission by defendant for the sales or customers he procured for defendant. Although the exact terms of the oral commission agreement subsequently were disputed, it is generally undisputed that Julien VanMaele, on behalf of defendant, agreed to pay Joe Tucker commissions of five percent of the labor that defendant charged its customers for work that Joe Tucker obtained for defendant.
Over the years, the parties’ relationship grew mutually financially beneficial, with plaintiff procuring [555]*555approximately ninety percent of defendant’s sales and defendant providing approximately ninety percent of plaintiff’s revenues. There appears to have been no disputes regarding commission payments to plaintiff during Julien VanMaele’s tenure with defendant. However, soori after VanMaele died in 1986, defendant, through its then general manager, William Schomer,2 sought to reduce plaintiff’s commissions. Between 1986 and 1989, Schomer reduced plaintiff’s commissions on various projects, and, on some projects, Schomer completely eliminated the commission. During this time, Joe Tucker verbally objected to the reduction in the commissions. In April 1990, Joe Tucker wrote defendant, objecting to the reduction of plaintiff’s commissions and requesting reinstatement of the commissions. However, the commission reductions continued. In February 1993, Joe Tucker again wrote a letter to defendant objecting to the reduction in commissions and requesting reinstatement of the commissions. Defendant denied the request.
In February 1993, plaintiff sued defendant to recover the full amount of the commissions owed plaintiff since 1986. In its complaint, plaintiff alleged breach of contract, fraudulent misrepresentation, innocent misrepresentation, detrimental reliance, quantum meruit, unjust enrichment, and breach of fiduciary duty. Plaintiff later added an additional count for damages under the sales commission act, MCL 600.2961; MSA 27A.2961, which allows for an additional award of two times the amount of the commissions due, not to exceed $100,000, and for pay-[556]*556merit of costs and attorney fees. Following a nine-day bench trial, the trial court found in favor of plaintiff. The trial court awarded plaintiff commissions, statutory damages, attorney fees, court costs pursuant to MCL 600.2961; MSA 27A.2961, expenses, expert witness fees, and statutory interest.
i
Defendant challenges the constitutionality of MCL 600.2961; MSA 27A.2961, the provision of the RJA under which plaintiff sought attorney fees, court costs, and treble damages for defendant’s failure to pay commissions.3 Defendant claims that the trial court erred in determining that § 2961 does not violate the Title-Object Clause of the Michigan Constitution. Const 1963, art 4, § 24. We disagree. In reviewing this issue de novo, we begin with the presumption that the legislation is constitutional. Ray Twp v B & BS Gun Club, 226 Mich App 724, 728; 575 NW2d 63 (1997).
The Title-Object Clause of the Michigan Constitution states that “[n]o law shall embrace more than one object, which shall be expressed in its title.” Const 1963, art 4, § 24. There are three ways to challenge a statute on the basis of the Title-Object Clause: (1) a multiple-object challenge, (2) a title-body challenge, and (3) a change of purpose challenge. Ray Twp, supra at 728, citing People v Kevorkian, 447 [557]*557Mich 436, 453; 527 NW2d 714 (1994) (opinion by Cavanagh, C.J., joined by Brickley and Griffin, JJ.). In the present case, defendant raises a multiple-object challenge and a title-body challenge.
With respect to the multiple-object challenge, we are not persuaded by defendant’s argument that the RJA embraces more than one object in that the object of the RJA deals with procedural improvements but § 2961 involves substantive rights. “The ‘object’ of a law is its general purpose or aim.” Ray Twp, supra at 731. The body of the law, and not just its title, must be examined to determine whether the act embraces more than one object. Id. “The purpose of the single-object rule is to avoid bringing into one bill diverse subjects that have no necessary connection.” Mooahesh v Dep’t of Treasury, 195 Mich App 551, 564; 492 NW2d 246 (1992).
The title of the RJA states:
An act to revise and consolidate the statutes relating to the organization and jurisdiction of the courts of this state; the powers and duties of such courts, and of the judges and other officers thereof; the forms and attributes of civil claims and actions; the time within which civil actions and proceedings may be brought in said courts; pleading, evidence, practice and procedure in civil and criminal actions and proceedings in said courts; to provide remedies and penalties for the violation of certain provisions of this act; and to repeal all acts and parts of acts inconsistent with, or contravening any of the provisions of this act.
Although we agree with defendant that § 2961 involves substantive rights, we disagree that the object of the RJA involves procedure only. In reviewing the title of the RJA, we find that the general object or purpose of the RJA is the revision and consolidation [558]*558of statutes regarding the state’s courts. As explained in Kingsley Associates, Inc v Moll PlastiCrafters, Inc, 65 F3d 498, 508 (CA 6, 1995), the title of the RJA is not limited to procedure, but also encompasses substantive rights because the title refers “to the organization of the courts, the powers and duties of such courts, and the forms and attributes of civil claims and actions, all of which may refer to substantive rights.”4 Further, the title specifically refers to the rja’s provision of “remedies and penalties” for and against litigants in the courts. We agree with the conclusion reached in Kingsley that § 2961 does not violate the Title-Object Clause of the Michigan Constitution.5 Although defendant argues to the contrary, we are not convinced that the aims of the rja and § 2961 are so diverse in their subjects that they “have no necessary connection.” Mooahesh, supra at 564. Section 2961 furthers the general purpose of the act without violating the one-object limitation. Id.
With regard to defendant’s title-body challenge, defendant argues that § 2961 exceeds the scope of the title because the rja’s object deals only with procedure and § 2961 creates substantive rights. Because this argument is based on a premise we rejected in considering defendant’s multiple-object challenge, we [559]*559reject defendant’s title-body challenge for similar reasons.
“The title of an act must express the general purpose or object of the act.” Ray Twp, supra at 728. However, the title of an act need not be an index to all the provisions of the act. Id. The test is whether the title gives fair notice to the legislators and the public of the challenged provision. Id. at 728-729. “The notice aspect is violated where the subjects are so diverse in nature that they have no necessary connection.” Mooahesh, supra at 569.
As previously stated, the title of the rja is not merely limited to procedure, but also refers to substantive rights. The rja’s title encompasses the general organization and powers of the courts within the state. Only this general object of the rja, and not all the details and incidents of a particular statute, need be indicated in the title. Id. at 566. After reviewing the scope of the title and the rights created by the provisions of § 2961, we conclude that the title of the RJA gives fair notice of the provisions of § 2961. As stated in Kingsley, supra at 508, “[t]he rja is a multivolume compilation of statutes enacted at various times on a number of subjects.” The title of the rja specifically refers to “the powers and duties of [the] courts” and “the forms and attributes of civil claims and actions.” “Section 600.2961 merely authorizes the courts to grant treble damages for intentional failure to pay commissions.” Kingsley, supra at 508. Thus, the rights created by § 2961 are within the scope of the title of the rja, and the subjects are not so diverse in nature that they “have no necessary connection.” Mooahesh, supra at 569.
[560]*560In sum, giving due regard to the presumption in favor of constitutionality, Ray Twp, supra at 728, considering the fact that the RJA is remedial in character and is to be liberally construed, as specifically provided by the Legislature, MCL 600.102; MSA 27A.102, and considering our agreement with the holding and analysis of the Sixth Circuit Court of Appeals on this issue, we conclude that the trial court did not err in determining that § 2961 does not violate the Title-Object Clause of the Michigan Constitution.
n
Defendant argues that the trial court erred in awarding plaintiff attorney fees under MCL 600.2961; MSA 27A.2961. MCL 600.2961(6); MSA 27A.2961(6) provides that “ [i]f a sales representative brings a cause of action pursuant to this section, the court shall award to the prevailing party reasonable attorney fees and court costs.” “Prevailing party” is defined in subsection 2961(l)(c) as “a party who wins on all the allegations of the complaint or on all of the responses to the complaint.” Because plaintiff pleaded alternative theories of liability and did not prevail on all of them, defendant argues that plaintiff was not a prevailing party under this definition. We disagree.
In Van Zanten v H Vander Laan Co, Inc, 200 Mich App 139, 141; 503 NW2d 713 (1993), the plaintiff pleaded three different damage theories. Because each theory sought to recover for the same injury and recovery under any theory would have allowed recovery of the full measure of her damages, our Court held that it was necessary for the plaintiff to “prevail only on one theory in order to be considered a pre[561]*561vailing party.” Id. Further, plaintiff was entitled to plead alternative claims pursuant to MCR 2.111(A)(2). See, also, Abel v Eli Lilly & Co, 418 Mich 311, 335; 343 NW2d 164 (1984). Defendant’s construction of the statute is too narrow and would defeat the purpose of MCR 2.111(A)(2) to allow inconsistent claims or alternative theories to be pleaded for a single cause of action.
m
Defendant also asserts that the trial court improperly awarded prejudgment interest to plaintiff pursuant to MCL 600.6013; MSA 27A.6013. Specifically, defendant asserts that prejudgment interest on the 1994 commissions should have been awarded from the date those commissions became due and owing to plaintiff in 1994 and not from when the complaint was filed in 1993. We disagree.
MCL 600.6013; MSA 27A.6013 entitles a prevailing party in a civil action to prejudgment interest from the date of filing the complaint to the entry of the judgment. The purpose of prejudgment interest is to “compensate the prevailing party for expenses incurred in bringing actions for money damages and for any delay in receiving such damages.” Phinney v Perlmutter, 222 Mich App 513, 541; 564 NW2d 532 (1997). “[T]he prejudgment interest statute is remedial in nature and is to be construed liberally in favor of the plaintiff.” Id.
This Court recently held that, except for future damages resulting from a personal bodily injury, a plaintiff is entitled to prejudgment interest on the entire money judgment, including future damages, from the date of the filing of the complaint. Paulitch [562]*562v Detroit Edison Co, 208 Mich App 656, 661-663; 528 NW2d 200 (1995). On the basis of this Court’s decision in Paulitch and construing the prejudgment interest statute liberally in favor of plaintiff, we conclude that the trial court did not err in awarding interest on the entire judgment, including that portion of damages that reflected commissions due after the complaint was filed but before entry of judgment, from the date that the original complaint was filed.
IV
Defendant next argues that the trial court erred in determining that plaintiff’s entire breach of contract action was not barred by the statute of limitations and that plaintiff was entitled to recover its unpaid commissions for up to six years before the filing of its complaint. We disagree. In this case, plaintiff’s breach of contract claim is subject to the six-year period of limitation set forth in MCL 600.5807(8); MSA 27A.5807(8). A claim of breach of contract accrues when the promisor fails to perform under the contract. Cordova Chemical Co v Dep’t of Natural Resources, 212 Mich App 144, 153; 536 NW2d 860 (1995).
Although defendant asserts that plaintiff’s claim accrued in 1986, more than six years before plaintiff filed its complaint, and thus the entire breach of contract action was time-barred, we conclude that claims for payments due under the contract between the parties are analogous to claims for payments under an installment contract, MCL 600.5836; MSA 27A.5836, claims for alimony payments, MCL 600.5837; MSA 27A.5837, or claims for monthly pension payments, Harris v City of Allen Park, 193 Mich App 103, 107; [563]*563483 NW2d 434 (1992), all of which accrue as each payment becomes due. In the present case, the commissions earned by plaintiff were separately computed, were to be paid monthly, and were of a periodic nature. “[E]very periodic payment made that is alleged to be less than the amount due . . . constitutes a continuing breach of contract and the limitation period runs from the due date of each payment.” Id. The trial court correctly granted remittitur to defendant for the $19,137.38 in unpaid commissions that defendant failed to pay that occurred more than six years before the time that plaintiff filed its complaint in September 1993 because these claims were barred by subsection 5807(8). However, the trial court correctly determined that plaintiff was entitled to recover its unpaid monthly commissions that fell within the six-year limitation period. Harris, supra.
v
Defendant argues that the trial court erred in finding that plaintiff did not agree to modification of the representation agreement and that plaintiff had not waived its contract rights. We disagree. This Court reviews findings of fact for clear error. MCR 2.613(C); Arco Industries Corp v American Motorists Ins Co, 448 Mich 395, 410; 531 NW2d 168 (1995).
The evidence supports the trial court’s finding that plaintiff did not agree to the reductions in its commissions. In the trial court’s verdict, it stated that it believed Joe Tucker’s testimony that he did not agree to the modification of the agreement. This Court gives special deference to the trial court’s findings when they are based on its assessment of the witnesses’ credibility. Id. Further, in addition to Tucker’s testi[564]*564mony, William Schomer, defendant’s general manager since 1985 and president since 1990, testified that Tucker objected to the reduction in commissions and that the reductions were unilaterally made by defendant without plaintiff’s agreement. As in Militzer v Kal-Die Casting Corp, 41 Mich App 492, 493-495; 200 NW2d 323 (1972), after the plaintiff in the present case had obtained substantial orders and accounts for the defendant and after much of plaintiff’s time and energy had already been expended, defendant decided to make a downward “adjustment” to the plaintiff’s five-percent commission. This Court stated in Militzer, at 495, that “[i]f defendant had desired to limit plaintiff’s commission in terms of time or amount[,] it could have done so, preferably in writing, in the original agreement.” As in Militzer, at 496, defendant in the present case should not be permitted to deny plaintiff the compensation agreed on.
Plaintiff also did not waive its contract rights. This Court has defined “waiver” as follows:
“To constitute a waiver, there must be an existing right, benefit, or advantage, knowledge, actual or constructive, of the existence of such right, benefit, or advantage, and an actual intention to relinquish it, or such conduct as warrants an inference of relinquishment. . . .
* * *
“A waiver may be shown by proof of express language of agreement or inferably established by such declaration, act, and conduct of the party against whom it is claimed as are inconsistent with a purpose to exact strict performance.” [Fitzgerald v Hubert Herman, Inc, 23 Mich App 716, 718-719; 179 NW2d 252 (1970) (citation omitted).]
[565]*565In the present case, plaintiffs conduct did not demonstrate an “actual intention to relinquish” its right to the five percent commissions that it had been paid before October 1986, nor did plaintiffs conduct show “proof of an express language of agreement.” Id. The evidence showed that Joe Tucker immediately and consistently made objections to defendant regarding the reduction in commissions and that he formalized his objections in letters to defendant in April 1990 and February 1993.
Further, with respect to defendant’s assertion that the statements made during the trial by Donald Tucker, plaintiff’s legal counsel and one of its directors, constituted admissions that plaintiff did not object to the reductions in its commissions before 1990, we conclude that defendant is taking the statements out of context. During the trial, defense counsel questioned Donald Tucker about plaintiff’s prior litigation, filed in 1989, regarding a commission dispute with Demmer Corporation. When asked by defense counsel whether “this was the first time” that plaintiff had a commission dispute with a principal, Donald Tucker responded that it was the first time that he had represented plaintiff “in a litigation” with regard to a commission dispute. Defense counsel then questioned: “Is it the first time [plaintiff] had a problem with commissions?” Donald Tucker responded: “I believe so, yes.” On the basis of this colloquy, the trial court inferred that Donald Tucker meant that the prior commission dispute with Demmer Corporation was the first commission problem that plaintiff had litigated. The statements did not corroborate defendant’s position that plaintiff did not dispute its commissions with defendant before 1990. The trial court’s [566]*566interpretation of the statements was reasonable and not clearly erroneous. Arco, supra.
VI
Next, defendant asserts that the trial court erred in its application of Wild v Wild, 266 Mich 570; 254 NW 208 (1934), to the present case. We disagree. In Wild, at 572, the Supreme Court held that testimony regarding the admissions of deceased individuals should be regarded with caution and is of little value without corroboration. Defendant asserts that the trial court did not heed this caution in accepting Joe Tucker’s testimony regarding the terms of the agreement he made with Julien VanMaele in 1957.
However, contrary to defendant’s assertion,6 Joe Tucker’s version of his agreement with VanMaele was corroborated by disinterested witnesses. Mem Lee Taylor,7 defendant’s former office manager from 1961 to 1987, was responsible for calculating plaintiff’s commissions and preparing the commission checks. Taylor corroborated Tucker’s testimony regarding the method and amount of the commission and the accounts on which plaintiff received commission. Peter Christou, who was married to VanMaele’s daughter and who also formerly worked for defendant, similarly corroborated Tucker’s testimony regarding the terms of the agreement and the accounts for [567]*567which plaintiff was responsible. In addition, Bill Munday, a manufacturer’s representative for defendant since 1963, testified about his verbal agreement with VanMaele, which included terms similar to those alleged by plaintiff.
Further, the terms of an oral agreement may be demonstrated by the course of dealing and performance between contracting parties. State Bank of Standish v Curry, 442 Mich 76, 86; 500 NW2d 104 (1993). Defendant’s own documents verified Joe Tucker’s testimony regarding the manner in which his commissions were calculated and the accounts for which he received commissions. Defendant’s documents revealed that before defendant reduced plaintiff’s commissions in 1986, the commission payments to plaintiff were consistent with the terms of the agreement as related in testimony by Joe Tucker.
In accord with Wild, supra, the trial court in the present case was mindful of the cautions to be exercised when one of the parties to an agreement is deceased. Because there was ample evidence presented by disinterested witnesses and by the course of conduct between plaintiff and defendant regarding the payment of commissions, all of which corroborated Joe Tucker’s version of the agreement with Julien VanMaele, we conclude that the trial court did not err in its application of Wild and in accepting Joe Tucker’s version of the terms of the sales representation agreement.
vn
Defendant also argues that the trial court erred in relying on Reed v Kurdziel, 352 Mich 287; 89 NW2d 479 (1958), without making a finding that plaintiff [568]*568was the procuring cause of customers, as opposed to sales or orders, in this case. We disagree. As defendant suggests, it is true that in Reed there was no dispute that the plaintiff was entitled to a commission for all customers, or original sales, procured. However, in Reed, as in the present case, it was disputed whether the plaintiff was entitled to commissions for all sales and reorders of sales, i.e., commissions for as long as the job ran. Thus, Reed is not materially distinguishable from the present case. See Kingsley Associates, Inc v Del-Met, Inc, 918 F2d 1277, 1282 (CA 6, 1990). The trial court did not err in relying on Reed for guidance in this case without making a finding that plaintiff was the procuring cause of customers for defendant.
vm
Defendant asserts that the trial court clearly erred in finding that plaintiff was entitled to posttermination commissions for all sales it procured for defendant. We disagree. The court’s finding was consistent with plaintiff’s pleadings, the evidence presented, and the law in Michigan. Contrary to defendant’s assertion, plaintiff’s amended complaint alleged that plaintiff was obligated under its agreement with defendant “to procure new customers and orders” for defendant. Even assuming, as argued by defendant, that plaintiff’s statements and pleadings are inconsistent with regard to its obligations to procure customers, the fact still remains that defendant paid plaintiff commissions for years on sales plaintiff procured from Rockwell Corporation and Clark Equipment, which payments to plaintiff belies defendant’s claim that plaintiff was not entitled to a commission on these [569]*569accounts because plaintiff had not procured these customers. As previously stated, the terms of an oral agreement may be demonstrated by the course of dealing and performance between contracting parties. State Bank of Standish, supra.
Further, although Melvin Schalhamer, defendant’s president from 1986 to 1990 and a subsequent chairman of defendant’s board of directors, may have testified that defendant’s sales representatives were not entitled to posttermination commissions, the court found Joe Tucker to be the more credible witness. This Court should defer to the trial court’s assessment of credibility in this regard. Reed, supra at 295. In addition, the testimony of Bill Munday, another sales representative for defendant, supported Joe Tucker’s testimony that plaintiff was entitled to receive commissions for as long as the parts continued to be run and that the agreement between defendant and plaintiff did not address whether commissions would continue to be paid following the termination of plaintiff’s representation of defendant. Moreover, the trial court’s determination that plaintiff is entitled to commissions on orders procured by plaintiff “for the life of the part,” i.e., posttermination commissions, is consistent with Michigan law. Id. at 294-295; Del-Met, supra.
rx
Defendant argues that the trial court abused its discretion in qualifying Ronald Markowski as an expert in accounting and in admitting his testimony regarding the amount of unpaid commissions owed to plaintiff. We disagree. Contrary to defendant’s assertion, plaintiff moved to have Markowski qualified as an [570]*570expert in accounting. Thereafter, the trial court qualified Markowski as an expert witness in certified public accounting. Certified public accountants have been recognized as experts, whose opinions are entitled to be given great weight. Nat’l-Standard Co v Dep’t of Treasury, 384 Mich 184, 193-194; 180 NW2d 764 (1970). The trial court did not abuse its discretion in qualifying Markowski as an expert. Mulholland v DEC Int’l Corp, 432 Mich 395, 402; 443 NW2d 340 (1989); Lopez v General Motors Corp, 224 Mich App 618, 635, 636; 569 NW2d 861 (1997).
Defendant also asserts that the information on which Markowski based his opinion was of little probative value and was also inaccurate and unreliable because the information on which Markowski relied consisted of summary sheets prepared by plaintiffs attorney. After reviewing the record, we conclude that the information on which Markowski relied was sufficiently reliable to form the basis for his expert opinion and also assisted the trier of fact. Amorello v Monsanto Corp, 186 Mich App 324, 332; 463 NW2d 487 (1990). We note that although defendant is correct in stating that Markowski was provided with summary sheets prepared by plaintiffs attorney, Markowski testified that he verified the accuracy of the information provided to him by plaintiffs counsel on the sales summaries by checking that information against the original sales invoices and sales analyses provided by defendant. Further, Markowski testified that on the basis of this verification, he was confident that the parts summary provided to him by plaintiffs counsel accurately reflected the information provided by defendant. In addition, defendant’s criticisms of Markowski’s knowledge about the information goes [571]*571to the weight, not the admissibility, of his testimony. MRE 702; Triple E Produce Corp v Mastronardi Produce, Ltd, 209 Mich App 165, 175; 530 NW2d 772 (1995).
x
Defendant argues that the trial court erred in denying its motions for summary disposition with regard to plaintiffs claims of fraud (count n), misrepresentation (count m), and detrimental reliance (count iv). We disagree. Defendant asserts on appeal that the trial court should have granted its motions for summary disposition pursuant to MCR 2.116(C)(10) (no genuine issue regarding any material fact), but defendant did not move for summary disposition pursuant to MCR 2.116(C)(10) with respect to plaintiff’s claims of fraud, misrepresentation, and detrimental reliance. Defendant’s motions for summary disposition stated that summary disposition was appropriate based on MCR 2.116(C)(8) (failure to state a claim), and not MCR 2.116(C)(10), with respect to the fraud, misrepresentation, and detrimental reliance claims.8 Thus, we will address this issue with respect to MCR 2.116(C)(8).
A motion under MCR 2.116(C)(8) for failure to state a claim tests the legal sufficiency of a claim and is tested on the pleadings alone. Singerman v Municipal Service Bureau, Inc, 455 Mich 135, 139; 565 NW2d 383 (1997). All factual allegations must be taken as pleaded, as well as any reasonable inferences that may be drawn therefrom. Id. To assert an [572]*572action for fraud or misrepresentation, a plaintiff must allege (1) that the defendant made a material representation, (2) that the representation was false, (3) that when the defendant made the representation, it was known to be false, or was made recklessly, without any knowledge of its truth and was made as a positive assertion, (4) that the defendant made the representation with the intention that it should be acted on by the plaintiff, (5) that the plaintiff acted in reliance on it, and (6) that the plaintiff suffered damages as a result. Hi-Way Motor Co v Int’l Harvester Co, 398 Mich 330, 336; 247 NW2d 813 (1976), citing Candler v Heigho, 208 Mich 115, 121; 175 NW 141 (1919), overruled in part on other grounds in United States Fidelity & Guaranty Co v Black, 412 Mich 99, 120-121; 313 NW2d 77 (1981).
In its pleadings, plaintiff alleged that defendant represented to plaintiff that the unilateral reduction in plaintiff’s commission for the Rockwell differential case work would be only temporary until the job was “up and running.” Plaintiff further alleged that defendant knew that the representations were false when they were made, or that they were made as positive assertions without any knowledge of their truth, that the misrepresentations induced plaintiff to not take action against defendant, and that plaintiff suffered damages as a result. On the basis of our review of the pleadings alone, Singerman, supra, we find that plaintiff sufficiently alleged fraud, misrepresentation, and detrimental reliance,9 Hi-Way Motor Co, supra.
[573]*573xi
Defendant contends that the trial court erred in denying its motion for summary disposition of plaintiffs claim for quantum meruit. We disagree. A motion for summary disposition brought pursuant to MCR 2.116(C)(10) tests the factual support for a claim. Singerman, supra. In ruling on the motion, the court must consider the pleadings, affidavits, depositions, and other documentary evidence. Id.
Pursuant to MCR 2.111(A)(2), plaintiff was entitled to bring alternative counts of breach of contract and implied contract. However, a contract cannot be implied in law while an express contract covering the same subject matter is in force between the parties. Neal v Neal, 219 Mich App 490, 495; 557 NW2d 133 (1996); Cascade Electric Co v Rice, 70 Mich App 420, 426; 245 NW2d 774 (1976). In the present case, the trial court could have found that an express contract was originally formed between the parties but that subsequently the contract was no longer in force. Under such circumstances, plaintiff could have recovered for breach of contract for the period when the contract was in force and could have recovered on an implied contract basis for the period when there was no contract in force. Alternatively, the court could have found that the express verbal agreement between the parties covered certain subjects concerning plaintiffs commissions but did not cover other subjects. Id. at 426-427. Finally, the trial court in the present case could have found that there was no contract between the parties, especially because one of [574]*574the original contracting parties was now deceased and because the material terms of the contract were disputed by the parties. In that case, any recovery by plaintiff would have been on an implied contract basis. As stated by this Court in Cascade, at 427, “plaintiff was not required to elect to proceed under one theory or the other, but could seek recovery on the basis either of an express verbal contract, or an implied contract if the [trier of fact] found that the express verbal contract did not exist.”
xn
Finally, defendant argues that the trial court erred in determining that plaintiff did not breach its fiduciary duties to defendant. We disagree. Under principles of agency, an agent owes his principal a duty of good faith, loyalty, and fair dealing. Burton v Burton, 332 Mich 326, 337; 51 NW2d 297 (1952). An agent’s dual representation of competitors is not necessarily a breach of the duty of loyalty and fair dealing where the agent believes that he is privileged to undertake such representation and has disclosed his representation of competitors to the principals involved. Sweeney & Moore, Inc v Chapman, 295 Mich 360, 363; 294 NW 711 (1940); see, also, Del-Met, supra at 1283-1285.
In the present case, the trial court’s finding that plaintiff did not breach its duty of loyalty to defendant was supported by the evidence. In addition to Joe Tucker’s testimony, other witnesses testified that Joe Tucker fully disclosed to defendant that he represented other companies. The evidence also showed that defendant did not object to Tucker’s representation of other companies as long as it did not take [575]*575work away from defendant and that defendant was not denied contracts or suffered in any way from plaintiffs representation of other companies.
We affirm.
Mackenzie, P.J., concurred.