Frank borrowed $500 from his sister, Julia. Months later, Frank and Julia became involved in a disagreement when the Julia began to press Frank for repayment of the loan. Finally, Frank wrote a check for $220 to Julia and conspicuously wrote on the check in big letters that it was full and final payment of the $500 loan. In need of money, Julia cashed the check and demanded the remaining $280 from Frank. Frank refused to pay, claiming that they had entered into an accord and satisfaction that discharged Franks's obligation to pay anything more. The Julia sued Frank. Based upon the material in this section what will be the likely outcome of the lawsuit? Why?