Future value of an annuity Using the values below, answer the questions that follow. (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) 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 type of annuity-ordinary or annuity due-is preferable as an investment? Explain why. Value of mixed streams Find the present value of the streams of cash flows shown in the following table, Assume that the firm's opportunity cost is 12%. a. The present value of stream A is $. (Round to the nearest dollar.) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)