You have the following time and cost information for use in a time-cost CPM scheduling model. Normal Time Crash Time Normal Cost Crash Cost 3 2 $400 $600 5 3 $600 $1200 4 1 $300 $1500 Activity A B C What are the three costs per unit of time to expedite each activity? A. A = $300, B = $200, C = $300 B. A $100, B = $200, C = $400 $200, B = $200, C = C. A $200 D. A $100, B = $400, C = $300 E. A $200, B = $300, C = $400
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Per unit time = (Crash cost – Normal cost) / (Normal time – Crash time)
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