Your company is considering two mutually exclusive projects, X and Y, whose costs and cash flows are shown below:

Time	X	Y
0	-$2,000	-$2,000
1	200	2,000
2	600	200
3	800	100
4	1,400	75

a) What is the payback period for Project A and B? Which would be chosen and why?

b) If the required rate of return on these projects is 10 percent, what are the NPV for Project A and B? Which would be chosen and why?

c) Calculate the profitability index for each project.

d) What is the IRR of both projects?