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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
4.19 An environmental engineer must recommend one of two methods for monitoring high colony counts of E. coli and other bacteria in watershed area “hot spots.” Estimates are tabulated, and the MARR is 10% per year.
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Initial cost, $ -100,000 -250,000
Annual operating cost, -30,000 in year 1 -20,000
$ per year increasing by 5000 each year
Life, years 3 6
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a. Use present worth analysis to select the better method.
b. For a study period of 3 years, use PW analysis to select the better method.
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