Question: 2. A project has the following activities: Normal Normal Crash Crash Immediate Time Cost Time Cost Activity Predecessors (weeks) ($) (weeks) (8) A none 4

2. A project has the following activities: Normal Normal Crash Crash Immediate Time Cost Time Cost Activity Predecessors (weeks) ($) (weeks) (8) A none 4 3,000 3 5,000 B 9 5,000 7 8,000 A 4 7,000 4 7,000 D B, C 6 6,000 4 8,000 E 8 4,000 6 8,000 F D 4,000 2 9,000 G EF 4 2,000 2 7,000 a) Draw the network diagram based on normal time. b) What are potential paths and corresponding durations? c) What is the expected project completion time based on normal time? d) What is the most economical way and how much will it cost to reduce the completion time of the project by three weeks

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