(Present value of an uneven stream of payments) You are given three investment alternatives to analyze. The cash flows from these three investments are shown in the popup window: Assuming a discount rate of 19 percent, find the present value of each investment. a. What is the present value of investment A at 19 percent annual discount rate? (Round to the nearest cent.) b. What is the present value of investment B at 19 percent annual discount rate? (Round to the nearest cent.) c. What is the present value of investment C at 19 percent annual discount rate? (Round to the nearest cent.)