When comparing mutually exclusive alternatives that have different lives by the present worth method, it is necessary

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When comparing mutually exclusive alternatives that have different lives by the present worth method, it is necessary to:

(a) Always compare them over a period equal to the life of the longer-lived alternative

(b) Always compare them over a time period of equal service

(c) Always compare them over a period equal to the life of the shorter-lived alternative

(d) Find the present worth over one life cycle of each alternative

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Engineering Economy

ISBN: 978-0073523439

8th edition

Authors: Leland T. Blank, Anthony Tarquin

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