next 15 years. The discount rate is 9 percent. c. A 10-year annuity of $9,900 per annum. The first $9,900 payment is due immediately. The discount rate is 6 percent. d. $27,000 received annually at the end of years 1 through 5 followed by $20,250 received annually at the end of years 6 through 10. The discount rate is 15 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.) Answer is complete but not entirely correct. Amount a. $ $ $ b. Net present value Net present value Net present value Net present value 68,670 41,110 72.865 X C. 00 d. 158,390 X