A project has the following cash flows:

Year Cash Flow

0 $ 17,000

1 7,700

2 9,000

3 7,500

a. What is the NPV at a discount rate of zero percent? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.)

b. What is the NPV at a discount rate of 10 percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)

c. What is the NPV at a discount rate of 21 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)

d. What is the NPV at a discount rate of 30 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)