Company YZA is considering two mutually exclusive projects with the following cash flows:

Year	Project I	Project J
0	-$90,000	-$100,000
1	$20,000	$25,000
2	$20,000	$25,000
3	$20,000	$25,000
4	$20,000	$25,000
5	$20,000	$130,000

Requirements:

1. Calculate the NPV at a discount rate of 10%.
2. Determine the IRR.
3. Calculate the payback period.
4. Evaluate which project should be chosen based on financial metrics and any other relevant considerations.