compute the NPV of each of the following cash inflows:

a. $22,900 received at the end of 15 years. The discount rate is 8 percent.

b. $6,640 received at the end of four years and $16,400 received at the end of eight years. The discount rate is 10 percent.

c. $1,680 received annually at the end of each of the next seven years. The discount rate is 7 percent.

d. $56,250 received annually at the end of each of the next three years and $74,000 received at the end of the fourth year. The discount rate is 3 percent.

(Round discount factor(s) to 3 decimal places, intermediate calculations and final answers to the nearest whole dollar amount.)