Three mutually exclusive alternative are being considered Initial Cost Benefit at the end of the first Year Uniform Annual Benefits at end of subsequent years Useful Life in years $500 $200 $100 6 $400 $200 $125 5 $300 $200 $100 4 of its useful life, an alternative is not replaced. If MARR is 10%, which alternatives should be selected? a) Based on the payback period? b) Based on benefit-cost ratio analysis