4. Using Rate of Return Analysis, determine the most economical alternative below. The cash flows for four different alternatives are given in table below. If MARR 10%, which is the best alternative? State whether to accept or reject the alternative and why. Calculate your answers in terms of EUAW Determine the ROR for each alternative. You do not need to give the exact value of interest (ROR), but you should indicate the interval (ie. I 5%