You have just received a windfall from an investment you made in a friend's business. He will be paying you $40,243 at the end of this year, $80,486 at the end of the following year, and $120,729 at the end of the year after that (three years from today). The interest rate is 10.5% per year. a. What is the present value of your windfall? b. What is the future value of your windfall in three years (on the date of the last payment)?.