Answer: d) 7 weeks, $1330
Initial duration of project = 16 weeks
After maximum possible crashing, Project duration = 9 weeks.
The maximum weeks by which the project can be reduced = 16 -9 =7 weeks
Crashing Cost:
Crashing Cost of Activity D by 4 weeks = $280
Crashing Cost of Activity G by 2 weeks = $300
Crashing cost of Activity A & E by 1 week = $650 + $100 =$750
Total Crashing Cost = 280 + 300 + 750 = $1330
Network Diagram:
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