An investment project has the following required investment and after-tax cash flows in future years:

Year	Estimated Cash Flow
0	$6,500
1	3,300
2	4,200
3	6,600

a. Calculate the Net Present Value if the discount rate is 0 percent.

b. Recalculate the Net Present Value if the discount rate is instead 11 percent.

c. Recalculate the Net Present Value if the discount rate is instead 19 percent.

d. Recalculate the Net Present Value if the discount rate is instead 24 percent.