16. Colusa Regional Medical Center expects Alpha Project and Beta Project to generate the following: Years 0 1 2. 3 4 Alpha Project (in '000s) Givens 1 Initial investment 2 Net operating cash flows 5 ($20,000) ($10,000) $8,000 $12,000 $15,000 $26,000 Beta Project (in '000s) Givens 1 Initial investment 2 Net operating cash flows Years 0 1 2 3 4 5 ($28,000) $8,000 $8,000 $8,000 $8,000 $8,000 a. Determine the payback for both projects. b. Determine the IRR. c. Determine the NPV at a cost of capital of 20 percent