A pipeline contractor can purchase a needed truck for $42,000. Its estimated life is 6 years, and it has no salvage value. Maintenance is estimated to be $3,100 per year. Operating expense is $60 per day. The contractor can hire a similar unit for $190 per day. MARR is 7%.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Its my 3 time and i have last chance please answer this correctly!!! 

( wrong answer will be dislike) 

A pipeline contractor can purchase a needed truck
for $42,000. Its estimated life is 6 years, and it has
no salvage value. Maintenance is estimated to be
$3,100 per year. Operating expense is $60 per
day. The contractor can hire a similar unit for $190
per day. MARR is 7%.
a. How many days per year must the truck's
services be needed such that the two alternatives
are equally costly?
b. If the truck is needed for 180 days/year, should
the contractor buy the truck or hire the similar
unit? Determine the dollar amount of savings
generated by using the preferred alternative
rather than nonpreferred.
Transcribed Image Text:A pipeline contractor can purchase a needed truck for $42,000. Its estimated life is 6 years, and it has no salvage value. Maintenance is estimated to be $3,100 per year. Operating expense is $60 per day. The contractor can hire a similar unit for $190 per day. MARR is 7%. a. How many days per year must the truck's services be needed such that the two alternatives are equally costly? b. If the truck is needed for 180 days/year, should the contractor buy the truck or hire the similar unit? Determine the dollar amount of savings generated by using the preferred alternative rather than nonpreferred.
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