If you invest $11,500 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. 8 years at 7 percent.

Future value $ _________?

b. 16 years at 12 percent.

Future value $___________?

c. 25 periods at 14 percent.

Future value $ ______________?