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Given the following data, use present worth analysis to find the better alternative, A or B. Use an analysis period of 12 years and 12% annual interest rate A B initial cost 19.458 14,555 Annual benefit 5,750 9,387 Salvage value 1.119 -2,230 Useful life 6 years 4 years What is the difference between the present worth of alternative B and A. specifically what is PW8 - PWA? State your answer with 2 decimal places