Please solve Question 15 (a, b, c)

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15. Kaiser Oakland Practice expects Projects 1 and 2 to generate the following cash flows: Project 1 (in '000s) Givens Years 0 1 2 3 4 5 1 2 Initial investment Net operating cash flows ($3,800) $500 $700 $900 $1,700 $3,000 Project 2 (in '000s) Givens Years 0 1 2 3 4 5 1 Initial investment Net operating cash flows ($6,000) 2 $1,800 $1,500 $1,400 $1,300 $1,000 a. Determine the payback for both projects. b. Determine the IRR. C. Determine the NPV at a cost of capital of 12 percent