A. $660 annuity payment over five years if interest rates are 9 percent?

B. Assume that you contribute $270 per month to a retirement plan for 15 years. Then you are able to increase the contribution to $540 per month for another 25 years. Given a 6 percent interest rate, what is the value of your retirement plan after the 40 years?

C. Whats the interest rate of a 5-year, annual $5,800 annuity with present value of $24,000?