3. Future Value of an  Annuity. What is the future value of 
a. $1321 a year for 13  years at 13 percent compounded annually?
b. $867 a year for 10  years at 13 percent compounded annually?
4. Present Value of an  Annuity. What is the present value of
a. $487 a year for 5  years at a 9 percent discount rate?
b. $798 a year for 13  years at a 11 percent discount rate?
5. Annuity. How many  years will it take for a payment of
a. $590 to grow to 9090.91  at a compound rate of 14 percent?
b. $900 to grow to future  value of 10,586.21 at a compound rate of 14 percent?
6. Mortgage. (Hint:  P/Y=12) What is the payoff on a 30 year, 7% original mortgage of
a. $550,552 with a  payment of 3,744.50 with 12 years remaining?
b. $190788 with a payment  of 1,143.87 with 15 years remaining?
7. Stock. What is the  required rate of return on a stock with a
a. $0.75 expected  dividend and a 34 price with 7% growth?
b. $1.25 expected  dividend and a 15 price with 8% growth?