(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: End of Year 1 $ -234567x 8 A $10,000 10,000 10,000 10,000 10,000 Investment Alternatives B $10,000 10,000 10,000 10,000 C $10,000 50,000 CB a. What is the present value of investment A at an annual discount rate of 20 percent? (Round to the nearest cent.)