Item A is currently in use at a plant. The original cost of the piece of machinery was $2,000. Its maintenance cost is $500 this year, increasing each year by $30. Items A can be replaced by Item B which has a current cost of $3,500. Item B has no annual maintenance costs, but it is anticipated that the item purchase cost increases by $50 per year. Disregarding income taxes effects (such as depreciation), what is the predicted optimum time (after year 'X') to schedule a replacement of Item A with Item B. Use 8% as the 'interest rate', which really is the value of money to the company. a. 5 years b. 6 years c. 7 years d. 8 years

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Item A is currently in use at a plant. The original cost of the piece of machinery was $2,000. Its
maintenance cost is $500 this year, increasing each year by $30. Items A can be replaced by Item
B which has a current cost of $3,500. Item B has no annual maintenance costs, but it is
anticipated that the item purchase cost increases by $50 per year. Disregarding income taxes
effects (such as depreciation), what is the predicted optimum time (after year 'X') to schedule a
replacement of Item A with Item B. Use 8% as the 'interest rate', which really is the value of
money to the company.
a. 5 years
b. 6 years
c. 7 years
d.
8 years
Transcribed Image Text:Item A is currently in use at a plant. The original cost of the piece of machinery was $2,000. Its maintenance cost is $500 this year, increasing each year by $30. Items A can be replaced by Item B which has a current cost of $3,500. Item B has no annual maintenance costs, but it is anticipated that the item purchase cost increases by $50 per year. Disregarding income taxes effects (such as depreciation), what is the predicted optimum time (after year 'X') to schedule a replacement of Item A with Item B. Use 8% as the 'interest rate', which really is the value of money to the company. a. 5 years b. 6 years c. 7 years d. 8 years
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