A mining corporation purchased $120,000 ofproduction | StudySoup

Textbook Solutions for Engineering Economic Analysis

Chapter 12 Problem 12-23

Question

A mining corporation purchased $120,000 ofproduction machinery and depreciated it usingSOYD depreciation, a 5-year depreciable life, andzero salvage value. The corporation is a profitableone that has a 34% combined incremental tax rate.At the end of 5 years the mining companychanged its method of operation and sold theproduction machinery for $40,000. During the 5years the machinery was used, it reduced mine oper-ating costs by $32,000 a year, before taxes. If the company MARR is 12% after taxes, was the invest-ment in the machinery a satisfactory one?

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The first step in solving 12 problem number 23 trying to solve the problem we have to refer to the textbook question: A mining corporation purchased $120,000 ofproduction machinery and depreciated it usingSOYD depreciation, a 5-year depreciable life, andzero salvage value. The corporation is a profitableone that has a 34% combined incremental tax rate.At the end of 5 years the mining companychanged its method of operation and sold theproduction machinery for $40,000. During the 5years the machinery was used, it reduced mine oper-ating costs by $32,000 a year, before taxes. If the company MARR is 12% after taxes, was the invest-ment in the machinery a satisfactory one?
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Title Engineering Economic Analysis 12 
Author Donald G. Newnan; Jerome P. Lavelle; Ted G. Eschenbach
ISBN 9780199339273

A mining corporation purchased $120,000 ofproduction

Chapter 12 textbook questions

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