Engineering Economics

Consider the following two mutually exclusive alternatives (do not consider the "Do Nothing" alternative). Each alternative has a 10-year useful life and no salvage value. If the MARR is 10%, which alternative should be selected? Answer in terms of incremental rate of return analysis. Consider the following two mutually exclusive alternatives. Each alternative has a 10-year useful life and no salvage value. If the interest rate is 10%, which alternative should be selected? Answer in terms of benefit-cost ratio analysis