For this assignment, you will be given three scenarios and you must calculate the ROI using the payback period, net present value, and internal rate of return. Once you have performed the calculations, you are to write a memo to your boss explaining the scenarios, the results of each, and your selection. In each scenario, you are presenting an idea to your manager to purchase a new piece of equipment that will bring in cash flows. There are different machines that can produce more and some that produce less. You have done your analysis and have figured .