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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Work Problem 6-38 by using the internal rate of return (IRR) method. The MARR is 15% per year. Remember to think incrementally!
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Problem 6-38
Two mutually exclusive alternatives for office building refrigeration and air conditioning are being investigated. Their relevant costs and lives are summarized as follows:

If the hurdle rate (MARR) is 15% per year and the study period is 18 years, which chilling system should be recommended?
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