15. Goodbar Practice expects projects 1 and 2 to generate the following cash flows: 4 Project 1 (in thousands) Years 0 Givens Initial investment Net operating cash flows ($2,000) $200 $300 $500 $1,000 $1,790 Project 2 (in thousands)Years0 Givens Initial investment Net operating cash flows 3 ($3,800) $1,000 $1,000 $1,000 $1,000 $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