4. A project has an initial outlay of $200,000 and the end of year after-tax cash flows below. Compute the profitability index for the project assuming a cost of capital of 14%:

End of Year	After tax cash flow
1	$40,000
2	$50,000
3	$80,000
4	$80,000
5	100,000

a. 1.13

b. 1.20

c. 1.26

d. 1.37

e. 1.41