Engineering Economy
Engineering Economy
8th Edition
ISBN: 9780073523439
Author: Leland T Blank Professor Emeritus, Anthony Tarquin
Publisher: McGraw-Hill Education
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Chapter 3, Problem 71APQ
To determine

Calculate the equivalent annual value.

Expert Solution & Answer
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Explanation of Solution

Future value (F) is $50,000. Cash flow starts from three years and deposit five consecutive years. Rate of return (i) is 20%. Time period 1 (n1) is five years and time period (n) is eight years.

Option (a):

Equivalent annual value (A) can be calculated as follows:

A=F((1+i)n11i)(1+i)n1,565=50,000((1+0.2)510.2)(1+0.2)81,565=50,000(2.4883210.2)(4.29982)1,565=50,000(7.4416)(4.29982)1,565=50,00031.99751,5651,562.62

The calculated equivalent annual value is equal to given value. Thus, option ‘a’ is correct.

Option (b):

Equivalent annual value (A) can be calculated as follows:

A=F((1+i)n11i)(1+i)n1,759=50,000((1+0.2)510.2)(1+0.2)81,759=50,000(2.4883210.2)(4.29982)1,759=50,000(7.4416)(4.29982)1,759=50,00031.99751,759>1,562.62

The calculated equivalent annual value is less than given value. Thus, option ‘b’ is incorrect.

Option (c):

Equivalent annual value (A) can be calculated as follows:

A=F((1+i)n11i)(1+i)n1,893=50,000((1+0.2)510.2)(1+0.2)81,893=50,000(2.4883210.2)(4.29982)1,893=50,000(7.4416)(4.29982)1,893=50,00031.99751,893>1,562.62

The calculated equivalent annual value is less than given value. Thus, option ‘c’ is incorrect.

Option (d):

Equivalent annual value (A) can be calculated as follows:

A=F((1+i)n11i)(1+i)n2,093=50,000((1+0.2)510.2)(1+0.2)82,093=50,000(2.4883210.2)(4.29982)2,093=50,000(7.4416)(4.29982)2,093=50,00031.99752,093>1,562.62

The calculated equivalent annual value is less than given value. Thus, option ‘d’ is incorrect.

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