Check my work Problem 03-04 [LO 3-1] Use a 5 percent discount rate to compute the NPV of each of the following series of cash receipts and payments: Use Appendix A and Appendix B. a. $6,200 received now (year O), $1,890 paid in year 3, and $4,000 paid in year 5. b. $10,000 paid now (year O), $12,690 paid in year 2, and $31,000 received in year 8. c. $20,000 received now (year 0), $13,500 paid in year 5, and $7,500 paid in year 10. (For all requirements, round discount factor(s) to 3 decimal places, and intermediate calculations to the nearest whole dollar amount. Cash outflows should be indicated by a negative sign.) a. Net present value b. Net present value c. Net present value