Machines A and B are mutually exclusive and are expected to produce the following real cash flows: Cash Flows ($ thousands) Machine C0 C1 C2 C3 A 115 +125 +136 B 75 +100 +75 +75 The real opportunity cost of capital is 10%. a. Calculate the NPV of each machine. (Enter your answers in dollars not in thousands. Round your answers to the nearest whole dollar amount.) b. Calculate the equivalent annual cash flow from each machine. (Enter your answers in dollars not in thousands. Round your answers to the nearest whole dollar amount.) c. Which machine should you buy?