How to Find credit for a partial invoice payment in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 47th installment in his "Business Math" series of free video lessons, you'll learn how to determine credit given for partial payment of an invoice.