XYZ Corporation is considering three alternative investment proposals but can accept only one. The investments and cash flows are shown below:

Cash Flows	Year 0	Year 1	Year 2	Year 3	Year 4
Project A	$(200,000)	$60,000	$80,000	$70,000	$50,000
Project B	$(250,000)	$90,000	$90,000	$80,000	$70,000
Project C	$(300,000)	$50,000	$100,000	$150,000	$150,000

Requirements:

1. Calculate the Net Present Value (NPV) for each project.
2. Determine the Profitability Index (PI) for each project.
3. Prepare a comparative income statement for the selected project over the four years.