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Compare the following alternatives given a market rate of 3.45% per year and an inflation rate of 2% per year. Use first the B/C method to determine feasibility and then the incremental B/C method to determine the oprimum level of investment. Alt Life yrs A B Construction Cost $ 105,000 230,000 350,000 600,000 Annual Benefits $/yr 40,000 52,000 64,000 100,000 5 6 7 8 D