Charles sanarwari retained stan gissel to prepare his income tax return for the year 2014. the parties agreed on a fee of $400. charles had done a rough estimate based on last year’s return and believed he would owe the irs approximately $2,000. when stan’s work was completed, it turned out that charles would receive a $2,321 tax refund. charles paid for stan’s services and was so with the work that he promised to pay stan an additional $400 for the excellent job on the tax return when he received his tax refund. thereafter, charles had a falling out with stan over a golf tournament snub. stan was not paid the $400 promised for doing an excellent job on the tax return, and he sued charles as a matter of principle. decide.