Suppose you are going to receive $21.000 per year for 9 years. The appropriate interest rate is 6 percent a. What is the present value of the payments if they are in the form of an ordinary annuity? $142,835.54 $227,379.67 $163,508.29 $288,823.77 (151 4056 b. What is the present value if the payments are an annuity due? c. Suppose you plan to invest the payments for 9 years. What is the future value at the end of Year 9 if the payments are an ordinary annuity