A recent sensitivity analysis of a public works project indicates that the expected present worth is $83,000. If there is a 20% chance that the PW will be the pessimistic one of $45,000 and 50% chance that it will be the most likely one of $72,000, the optimistic PW is closest to: (a) $89,520 (b) $118,380 (c) $126,670 (d) $138,540

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