If you invest $6,500 per period for the following number of periods is received at the beginning of each year. (Annuity in advance) (Use a Financial calculator to arrive at the answers. Round the final answers to the nearest whole dollar.)

a. 10 years at 9 percent.

Future value $

b. 15 years at 13 percent.

Future value $

c. 20 periods at 13 percent.

Future value $