Use the present value table in Appendix A and Appendix B to compute the NPV of each of the following cash outflows: Required: a. $35,000 paid at the end of 4 years. The discount rate is 7 percent. b. $6,900 paid at the end of 3 years and $7,300 paid at the end of 5 years. The discount rate is 8 percent. c. $16,700 paid annually at the end of each of the next 4 years. The discount rate is 7 percent. d. $2,240 paid annually at the end of each of the next 4 years and $4,480 paid at the end of the fifth year. The discount rate is 6 percent. (For all requirements, round discount factor(s) to 3 decimal places, all other intermediate calculations and final answers to the nearest whole dollar amount.) a. Net present value b. Net present value c. Net present value d. Net present value Amount