Consider four mutually exclusive alternatives, each having an 8 -year useful life: Solution: 1. Rank of alternatives: 2. Perform the IRR analysis, yields the following table FYI: 3. According to the results above, we can construct the choice table between 0% and 100% as: (if no MARR is for a particular alt., use N/A in the blank.) - Alt. A for MARR between % and %; - Alt. B for MARR between % and %; - Alt. C for MARR between % and %; - Alt. D for MARR between % and % - Do-nothing for MARR between % and %. 4. If MARR=8%, then select alternative