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 Appendx. B. Required: a. $6,200 recelved now (year 0), $1,970 paid in year 3 , and $4,600 paid in year 5 . b. $10,200 paid now (year 0 ), $16,000 paid in year 2 , and $35,000 recelved in year 8 . c. $20,700 recelved now (year 0 ), $12,500 paid in year 5 , and $9,750 paid in year 10 . Note: For all requirements, round discount factor(s) to 3 decimal places, all other intermediate calculations and final answers to the nearest whole dollar amoqnt. Negative amount should be indicated by a minus sign