Consider the following two mutually exclusive alternatives for reclaiming a deteriorating inner-city neighborhood (one of them must be chosen). Notice that the IRR for both alternatives is 27.18%. a. If MARR is 18% per year, which alternative is better? b. What is the IRR on the incremental cash flow [ie, (Y-X)]? C. If the MARR is 27.4% per year, which alternative is better? d. What is the simple payback period for each alternative? e. Which alternative would you recommend