(Compound annuity) What is the accumulated sum of each of the following streams of payments? a. $480 a year for 8 years compounded annually at 11 percent. b. 596 a year for 8 years compounded annually at 8 percent. c. $35 a year for 13 years compounded annually at 12percent. d. $22 a year for 4 years compounded annually at 5 percent a. What is the accumulated sum of $480 a year for 8 years compounded annually at 11 percent? $ (Round to the nearest cent.) b. What is the accumulated sum of $96 a year for 8 years compounded annually at 8 percent? $ (Round to the nearest cent.) c. What is the accumulated sum of $35 a year for 13 years compounded annually at 12percent? $ {Round to the nearest cent.) d. What is the accumulated sum of $22 a year for 4 years compounded annually at 5 percent? (Round to the nearest cent.) Fnter your answer in each of the answer boxes