The AW values for retaining a presently owned machine for additional years are shown in the table. Note that the values represent the AW amount for each of the n years that the asset is kept, L.e., If It Is kept 5 more years, the annual worth is $-95,000 for each of the 5 years. Assume that future costs remain as estimated for the replacement study and that used machines like the one presently owned will always be available. (a) What is the ESL and associated AW of the defender at a MARR of 12% per year? (b) A challenger with an ESL of 7 years and an AWC-$-88,000 per year has been identified. Which AW will be less for the respective ESL pertods? Retention Period, Years 1 2 3 4 5 AW Value, $ per Year -87,000 -93,000 -85,000 -83,000 -95,000 a) The ESL of the defender is b) The Click to select) has the lower AW at $1 year(s) with the lowest AW of S for n equal to

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Qw.18.

The AW values for retaining a presently owned machine for additional years are shown in the table. Note that the values represent the
AW amount for each of the n years that the asset is kept, L.e., If it is kept 5 more years, the annual worth is $-95,000 for each of the 5
years. Assume that future costs remain as estimated for the replacement study and that used machines like the one presently owned
will always be available.
(a) What is the ESL and associated AW of the defender at a MARR of 12% per year?
(b) A challenger with an ESL of 7 years and an AWC = $-88,000 per year has been identified. Which AW will be less for the respective
ESL periods?
Retention Period, Years
1
2
3
4
5
AW Value, $ per year
-87,000
-93,000
-85,000
-83,000
-95,000
year(s) with the lowest AW of S
for n equal to
a) The ESL of the defender is
b) The (Click to select) has the lower AW at S
Transcribed Image Text:The AW values for retaining a presently owned machine for additional years are shown in the table. Note that the values represent the AW amount for each of the n years that the asset is kept, L.e., If it is kept 5 more years, the annual worth is $-95,000 for each of the 5 years. Assume that future costs remain as estimated for the replacement study and that used machines like the one presently owned will always be available. (a) What is the ESL and associated AW of the defender at a MARR of 12% per year? (b) A challenger with an ESL of 7 years and an AWC = $-88,000 per year has been identified. Which AW will be less for the respective ESL periods? Retention Period, Years 1 2 3 4 5 AW Value, $ per year -87,000 -93,000 -85,000 -83,000 -95,000 year(s) with the lowest AW of S for n equal to a) The ESL of the defender is b) The (Click to select) has the lower AW at S
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