A university lab is a research contractor to NASA for in-space fuel cell systems that are hydrogen- and methanol-based. During lab research, three equal-service machines need to be evaluated economically. Perform the present worth analysis with the costs shown below. The MARR is 10% per year. Electric-Powered Gas-Powered Solar-Powered First cost, $ -4500 -3500 -6000 Solution: -700 Annual operating cost (AOC), $/year Salvage value S, $ Life, years -900 -50 200 350 100 8 8 8.

A university lab is a research contractor to NASA for in-space fuel cell systems that are hydrogen- and methanol-based. During lab research, three equal-service machines need to be evaluated economically. Perform the present worth analysis with the costs shown below. The MARR is 10% per year. Electric-Powered Gas-Powered Solar-Powered First cost, $ -4500 -3500 -6000 Solution: -700 Annual operating cost (AOC), $/year Salvage value S, $ Life, years -900 -50 200 350 100 8 8 8.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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