Colusa Regional Medical Center expects Alpha Project and Beta Project to generate the following: 16. Alpha Project (in '000s) Givens Years 0 4 1 Initial investment 2 Net operating cash flows($10,000) $8,000 $12.000 $15,000 $26,000 ($20,000) Beta Project (in '000s) Givens 1 Initial investment 2 Net operating cash flows Years 0 ($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