Problem II (20 points): Wecare Hospital just bought a new MRI. This is their first MRI purchase, so that all the revenue and expense attributed to the MRI is new. The unit cost $1,500,000. Net operating cash flows for years 1-5 are as follows: $200,000, $400,000, $500,000, $800,000 and $1,600,000. 1. What is the payback? 2. Determine the NPV using a cost of capital of 15% 3. Determine the NPV using a cost of capital of 20% 4. Should the project be accepted at 15%? At 20%? Please explain your response