Machines A and B are mutually exclusive and are expected to produce the following real cash flows: The real opportunity cost of capital is 11%. a. Calculate the NPV of each machine. (Enter your answers in dollars not in thousands. Round your answers to the nearest whole dollar amount.) Answer is complete but not entirely correct. 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.) Answer is complete but not entirely correct. c. Which machine should you buy? Machine B Machine A