You have just received a windfall from an investment you made in afriend's business. He will be paying you $40,839 at the end of thisyear, $81,678 at the end of the followingyear, and $122,517 at the end of the year after that(three years fromtoday). The interest rate is 8.9% per year.

a. What is the present value of yourwindfall?

b. What is the future value of your windfall in three years(on the date of the lastpayment)?