The mining company is considering purchasing a machine which costs $30000 and is expected to last 12 years with a $3000 Salvage value. The annual operating expenses are expected to be $9000 for the first 4 years, but owing to decreased use, the operating costs will decrease by $400 per year for the next 8 years. Alternatively, the company can prirchase a highly automated machine at a cost of $58000. This machine will last only 6 years because of its high technology. and delicate design, and its salvage value will be $15000. Because it it is so automated, its operating cost will be only $4.000 per year. If the company's minimum attractive fate of return is 20% per year, which Machine should be selected on the basis of present worth analysis?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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The mining company is considering purchasing a machine which costs $30000 and is expected to last 12 years with a $3000 Salvage value. The annual operating expenses are expected to be $9000 for the first 4 years, but owing to decreased use, the operating costs will decrease by $400 per year for the next 8 years. Alternatively, the company can prirchase a highly automated machine at a cost of $58000. This machine will last only 6 years because of its high technology. and delicate design, and its salvage value will be $15000. Because it it is so automated, its operating cost will be only $4.000 per year. If the company's minimum attractive fate of return is 20% per year, which Machine should be selected on the basis of present worth analysis?

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