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An energy engineer decided to use a cogeneration system for his industrial facility and he has offers from two companies to purchase and install it. Use the cost estimates below to select the more economic unit at a MARR of 8% per year. And calculate capital recovery for each system. Initial Cost $ Annual M&O/year Company A 10,000 6,000 + 100 per year Company B 20,000 4,000 Refurbishment Cost 0 1,500 every four year Salvage value, % of P 15 35 Life (years) 6 12