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4. Consider the following two mutually exclusive alternatives relate to an improvement project, and recommend which one should be implemented. Capital investment Useful life period, in year Machine X $25000 4 Machine Y S36250 Assume repeatability is applicable, MARR 10%, and analysis period 8 years. Calculate the incremental rate of return for the incremental cash flow when you decide to choose Machine Y over Machine X. Is that decision a good choice? (15 points) 4. Consider the following two mutually exclusive alternatives relate to an improvement project, and recommend which one should be implemented. Capital investment Useful life period, in year Machine X $25000 4 Machine Y S36250 Assume repeatability is applicable, MARR 10%, and analysis period 8 years. Calculate the incremental rate of return for the incremental cash flow when you decide to choose Machine Y over Machine X. Is that decision a good choice? (15 points)