Use the present value tables in:ARpendixA:and ARpendix B to compute the NPV of each of the following cash inflows: Required: a. $19,900 received at the end of 15 years. The discount rate is 7 percent. b. $6,460 received at the end of four years and $16,100 received at the end of eight years. The discount rate is 9 percent. c. $2,150 recelved annually at the end of each of the next seven years. The discount rate is 4 percent. d. $53,000 received annually at the end of each of the next three years and $82,250 received at the end of the fourth year. The discount rate is 8 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. Present Value of \$1 Present Value of Annuity of $1