(Present value of an uneven stream of payments) You are given three investment alternatives to analyze. The cash flows from these three investments are as follows: What is the present value of each of these three investments if the appropriate discount rate is 12 percent? a. What is the present value of investment A at an annual discount rate of 12 percent? $ (Round to the nearest cent.) b. What is the present value of investment B at an annual discount rate of 12 percent? $ (Round to the nearest cent.) e. What is the present value of investment C at an annual discount rate of 12 percent? (Round to the nearest cent)