If the MARR = 12%, use the following data for four mutually exclusive alternatives to answer the questions that follow: Year W Y Z 0 -1000 -500 -1250-1500 1 350 165 430 500 2 350 165 430 500 3 350 165 430 500 4 350 165 430 500 On the manual solution, Draw the required cash flow diagrams. (8 pts) And make sure you include the following for ALL methods: What is the decision criteria? (6 pts) Present the required equivalency models. (10 pts) Show ALL calculations to choose the best alternative. (10 pts) What is the best alternative? (6 pts) What is the best alternative using the internal rate of return method? W What is the best alternative using the benefit-cost ratio method? w . What is the best alternative using the payback method? X