LG3 MyLab P5-19 Future value of an annuity For each case in the accompanying table, answer the questions that follow. Case Annuity payment Interest rate Annuity length (years) A $2,500 8% 10 B 500 12 6 30,000 20 S D 11,500 9 8 E 6,000 14 30 a. Calculate the future value of the annuity, assuming that it is (1) An ordinary annuity. (2) An annuity due. b. Compare your findings in parts a(1) and a(2). All else being identical, which t of annuity-ordinary or annuity due-is preferable? Explain why. type