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.
Chapter1: Making Economics Decisions
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![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, $
Annual operating cost (AOC), $/year
Salvage value S, $
Life, years
-4500
-3500
-6000
Solution:
-900
-700
-50
200
350
100
8
8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F93b5911c-d2f5-4192-b391-38ae7b3af31d%2F70683dd9-9677-4da7-ab65-59c681d86dda%2Fx0mmwrn_processed.png&w=3840&q=75)
Transcribed Image Text: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, $
Annual operating cost (AOC), $/year
Salvage value S, $
Life, years
-4500
-3500
-6000
Solution:
-900
-700
-50
200
350
100
8
8
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