Problem 6-19 (algorithmic) Ques Notice that the IRR or both alternatives is 27.20%. Consider the following two mutual y exclusive alternatives or reclaiming a deteriorating inner-city neighborhood one of them must be chosen a. If MARR is 18% per year, which alternative is better? b. What is the IRR on the incremental cash flow [i.e., ?(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? ?Click the icon to view the alternatives description. Click the icon to view the interest and annuity table for discrete compounding when j-18% per year