ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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answer with detailed solutions. (1)
Transcribed Image Text:1.
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. Below is the table for the given
values for each. The MARR is 10% per year. Perform the following analysis with their respective the Cash Flow Diagrams:
a. Present Worth Method
b.
Future Worth Method
C. Annual Worth Method
d. Payback Period Method
e.
Make a general conclusion based on the 4 methods used.
Electric-Powered
First cost, S
Annual operating cost (AOC), S/year
Salvage value S. $
Life, years
-4500
-900
200
8
Gas-Powered
<-3500
-700
350
8
Solar-Powered
-6000
<-50
100
8
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