BlazingTech is considering two new projects with the following net cash flows. The company's required rate of return on investments is 12%. (PV of $1 = 0.893, PVIFA of $1 = 3.037, FV of $1 = 1.120, FVA of $1 = 4.122)

Year	Project X Cash Flow	Project Y Cash Flow
0	$(600,000)	$(400,000)
1	$150,000	$120,000
2	$200,000	$150,000
3	$250,000	$180,000
4	$180,000	$210,000
5	$140,000	$200,000

a. Compute the payback period for each project. Based on the payback period, which project is preferred?
 b. Compute the net present value for each project. Based on the net present value, which project is preferred?