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Questlon Completion Status: The PW of five independent projects have been calculated at an MARR of 12% per year. Select the best combination at a capital investment limit of (a) $25,000, (b) $49,000, and (c) unlimited. Initial Life, Project Investment, Years PW,S 6 8,540 8 12,100 6 3,000 10 12 15,350 -15,000 26,000 -10,000 25,000 -40,000 4