4. Consider the following three mutually exclusive alternatives: Alternative Initial cost Uniform annual benefit Useful life, in years $16,000 $12,000 $8,000 ss.100-_TS1 ,300 $800 18 Assuming that Alternatives A and B are replaced with identical re useful lives, and an 8% interest rte. Use annual alternative should be selected? (30 pts) replacements at the end of their annual cash flow analysis and define which