Choosing the best annuity Personal Finance Problem Raina Herzig wishes to choose the best of four annuities available to her. In each case, in exchange for paying a lump sum today, she will receive equal, end-of-year cash payments for a specified number of years. She considers the annuities to be equally risky and is not concerned about their differing lives. Her decision will be based solely on the rate of return she will earn on each annuity. The key terms of the four annuities are shown in the following table, a. Calculate the rate of retum on each of the four annuities Raina is considering. b. Given Raina's stated decision criterion. which annuitv would vou recommend? a. The rate of return, r, on annuity A is \%. (Round to two decimal places.) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) Future and present value of an annuity Find the future and present value of a 15-year ordinary annuity paying $100.00 per year at each of the following interest rates: a. 20% b. 10% c. 1% d. 0.1% e. What is the general principle that you see when you compare your answers here? What value are both the present value and future value getting close to as you move from part a to part d? a. The future value of a 15 -year ordinary annuity paying $100.00 per year at an annual interest rate of 20% is $ (Round to the nearest cent.)