Future value of an annuity For each case in the accompanying table, answer the questions that follow. P5-19 TTT Annuity payment Annuity length (years) Case Interest rate A $ 2,500 8% 10 500 12 6 C 30,000 20 5 11,500 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 typs of annuity-ordinary annuity due-is preferable? Explain why. or