(Related to Checkpoint 6.6) (Present value of annuities and complex cash flows) You are given three investment alternatives to analyze. The cash flows from these three investments are as follows: Investment Alternatives B End of Year 1 $ 20,000 2 3 A $ 20,000 20,000 20,000 20,000 20,000 4 5 6 7 100,000 $ 20,000 20,000 20,000 20,000 20 000 8 9 a. What is the present value of investment A at an annual discount rate of 22 percent? $ (Round to the nearest cent.) b. What is the present value of investment B at an annual discount rate of 22 percent? $ (Round to the nearest cent.) c. What is the present value of investment C at an annual discount rate of 22 percent? (Round to the nearest cent.)