The following table gives the operation cost, maintenance cost and salvage value at the end of every year of a machine whose purchase value 30,000 $Find the economic life of the machine assuming interest rate, i = 20%. * No of Operation cost at the end of year Maintenance cost at the end of Salvage value at the end of year Years year $ 3000 300 9000 4000 400 8000 5000 6000 500 7000 600 6000 7000 700 5000 8000 800 4000 9000 900 3000 10000 1000 1100 2000 11000 1000 10 12000 1200

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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The following table gives the operation
cost, maintenance cost and salvage
value at the end of every year of a
machine whose purchase value 30,000
$Find the economic life of the machine
assuming interest rate, i = 20%. *
Maintenance cost at the end of
year $
No of
Operation cost at the end of year
Salvage value at the end of year
Years
3000
300
9000
2.
4000
400
8000
3
5000
500
7000
6000
5000
6000
600
7000
8000
700
6
800
4000
9000
900
3000
10000
1000
2000
11000
1100
1000
10
12000
1200
O 7
8
9.
O 4
Transcribed Image Text:The following table gives the operation cost, maintenance cost and salvage value at the end of every year of a machine whose purchase value 30,000 $Find the economic life of the machine assuming interest rate, i = 20%. * Maintenance cost at the end of year $ No of Operation cost at the end of year Salvage value at the end of year Years 3000 300 9000 2. 4000 400 8000 3 5000 500 7000 6000 5000 6000 600 7000 8000 700 6 800 4000 9000 900 3000 10000 1000 2000 11000 1100 1000 10 12000 1200 O 7 8 9. O 4
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