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. Alternatives Electric Powered Gas- Powered -3500 Solar Powered -6000 -4500 Capital, MYR Annual Operating Cost, MYR/Year Salvage value, MYR -900 -700 -50 200 350 100 Life, years 8 8 8 IRR%