Use the present value tables in Appendix A and Appendix B to compute the NPV of each of the following cash inflows: Required: a. $22,200 received at the end of 15 years. The discount rate is 4 percent. b. $7,040 received at the end of four years and $10,850 received at the end of eight years. The discount rate is 6 percent. c. $2,090 recelved annually at the end of each of the next seven years. The discount rate is 9 percent. d. $44,000 received annually at the end of each of the next three years and $81,750 received at the end of the fourth year. The discount rate is 5 percent. Note: For all requirements, round discount factor(s) to 3 decimal places, all other intermediate calculations and final answers to the nearest whole dollar amount