A large city in mid-west needs to buy a street-cleaning machine. A used vehicle will cost $75000 and has a market value of $20000 after its five-year life. A new system cost $150000 and has a market value of $40000 after five-years. The new system has some features that reduce labor hours compared with used system. the used system requires labor hours of 8 hours. per day and 20 days per month. the labor costs are $50 per hour. the MARR is 12%. if the new system is expected to be able to reduce labor hours by 20% compared with the used system, which system should the city purchase? and how many hours must the system be operated at the break even?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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A large city in mid-west needs to buy a street-cleaning
machine. A used vehicle will cost $75000 and has a
market value of $20000 after its five-year life. A new
system cost $150000 and has a market value of
$40000 after five-years. The new system has some
features that reduce labor hours compared with used
system. the used system requires labor hours of 8 hours
per day and 20 days per month. the labor costs are $50
per hour. the MARR is 12%. if the new system is
expected to be able to reduce labor hours by 20%
compared with the used system, which system should
the city purchase? and how many hours must the
system be operated at the break even?
Transcribed Image Text:A large city in mid-west needs to buy a street-cleaning machine. A used vehicle will cost $75000 and has a market value of $20000 after its five-year life. A new system cost $150000 and has a market value of $40000 after five-years. The new system has some features that reduce labor hours compared with used system. the used system requires labor hours of 8 hours per day and 20 days per month. the labor costs are $50 per hour. the MARR is 12%. if the new system is expected to be able to reduce labor hours by 20% compared with the used system, which system should the city purchase? and how many hours must the system be operated at the break even?
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