ENGINEERING ECONOMIC ENHANCED EBOOK
ENGINEERING ECONOMIC ENHANCED EBOOK
14th Edition
ISBN: 9780190931940
Author: NEWNAN
Publisher: OXF
Question
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Chapter 13, Problem 3P
To determine

To calculate: the minimum EUAC for the machine and its economic life

Expert Solution & Answer
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Answer to Problem 3P

Minimum EUAC is 7016.99 or 7017 and the economic life is 6 years

Explanation of Solution

First cost of machine = $24,000

Market value declines = 20%

Firm’s MARR = 12%

Market value = 24,00020%=19,200

There is increase of $900 each year

Assume the machine is kept for n years.

  EUAC (n=1) = (24000+0(P/A, 12%,1)19,200(P/F,12%1)(A/P,12%,1)=$7,680

  EUAC (n=2) = (24000+900(P/A, 12%,2)15,360(P/F,12%2)(A/P,12%,2)=$7,380

  EUAC (n=3) = (24000+1,800(P/A, 12%,3)12,288(P/F,12%3)(A/P,12%,3)=$7,182.99

  EUAC (n=4) = (24000+2,700(P/A, 12%,4)9830.4(P/F,12%4)(A/P,12%,4)=$7,067.74

  EUAC (n=5) = (24000+3,600(P/A, 12%,5)7,864.32(P/F,12%5)(A/P,12%,5)=$7,017.05

  EUAC (n=6) = (24000+4,500(P/A, 12%,6)6,291.46(P/F,12%6)(A/P,12%,6)=$7,016.99

  EUAC (n=7) = (24000+5,400(P/A, 12%,7)5,033.17(P/F,12%7)(A/P,12%,7)=$7,056.27

  EUAC (n=8) = (24000+6,300(P/A, 12%,8)4,026.53(P/F,12%8)(A/P,12%,8)=$7,125.73

Minimum EUAC is 7016.99 or 7017 and the economic life is 6 years.

Economics Concept Introduction

Introduction: Equivalent Universal Annual Cost is considered the cost, which is used on assets’ operating, owing and maintaining the asset over the life of an asset. EAC is used by the company for budgeting decision of capital, as it helps in comparing the lifespan of all the assets available in the company. 

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