Use the present value tables in AppendixA and ppendix B to compute the NPV of each of the following cash inflows: Required: a. $19,300 recelved at the end of 15 years. The discount rate is 3 percent. b. $6,580 received at the end of four years and $16,150 received at the end of eight years. The discount rate is 5 percent. c. $2,240 received annually at the end of each of the next seven years. The discount rate is 7 percent: d. $55,500 received annually at the end of each of the next three years and $89,500 recelved at the end of the fourth year. The discount rate is 4 percent Note: For all requirements, round discount factor(s) to 3 decimal places, all other intermediate calculations and final answers the nearest whole dollar amount