(Compound annuity)

What is the accumulated sum of each of the following streams of payments?

a. $490 a year for 88 years compounded annually at 10 percent.

b. $104 a year for 66 years compounded annually at 77 percent.

c. $33 a year for 13 years compounded annually at 12 percent.

d. $26 a year for 66 years compounded annually at 55 percent.