Engineering Economic Analysis
Engineering Economic Analysis
13th Edition
ISBN: 9780190296902
Author: Donald G. Newnan, Ted G. Eschenbach, Jerome P. Lavelle
Publisher: Oxford University Press
Question
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Chapter 5, Problem 74P
To determine

Stock to be purchased.

Expert Solution & Answer
Check Mark

Answer to Problem 74P

Since the benefit-cost is highest for the stock of S. Products, investment should be made in S Products.

Explanation of Solution

Given information:

Minimum rate of return = 10%.

Six stocks are available.

Calculate the ratio of PW of benefits and PW of costs for each stock.

B/CratioforW.H.=PWofbenefitsPWofcosts=1.25(P/A,10%,4)+32(P/F,10%,4)23.75=1.25(3.170)+32(0.6830)23.75=25.818523.75=1.0871

B/CratioforF.F.=PWofbenefitsPWofcosts=4.50(P/A,10%,4)+45(P/F,10%,4)45=4.50(3.170)+45(0.6830)45=4545=1

B/CratioforM.M=PWofbenefitsPWofcosts=0(P/A,10%,4)+42(P/F,10%,4)30.6250=0+42(0.6830)30.6250=28.68630.6250=0.9367

B/CratioforS.P.=PWofbenefitsPWofcosts=0(P/A,10%,4)+20(P/F,10%,4)12=0+20(0.6830)12=13.6612=1.1383

B/CratioforU.T.=PWofbenefitsPWofcosts=2.00(P/A,10%,4)+40(P/F,10%,4)33.3750=2.00(3.170)+40(0.6830)33.3750=33.6633.3750=1.0085

Engineering Economic Analysis, Chapter 5, Problem 74P B/CratioforW.P.=PWofbenefitsPWofcosts=3.00(P/A,10%,4)+60(P/F,10%,4)52.50=3.00(3.170)+60(0.6830)52.50=50.4952.50=0.9617.

Conclusion:

Since the benefit-cost is highest for the stock of S. Products, investment should be made in S Products.

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Chapter 5 Solutions

Engineering Economic Analysis

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