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9. Consider a project having the following ten activities sh Maximum Cost Normal Norma Crash Cra Time Immediate Weeks Cost Time Activity Predecessors (weeks (S) (weeks(SL Reduced none 3,000 9,000 3,000 3,000 6,000 9,000 3,000 7,000 4,000 6 6,000 8 5,000 2 2,000 4 3,000 B, C 4,000 C, D 6 4,000 2 3.000 E, F 4,000 1 4,000 H, I 8 2,000 7,000 (a) What is the expected project completion time? b) What is the critical path? (c) What is the most economical way and how much will it cost to reduce the completion time of the project by three weeks? by five weeks?
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