Question: PM.61 Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4

PM.61 Rob Smith is managing a small project at Boston University.

PM.61 Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4 weeks and he wants to do so at the lowest cost possible. In order to meet this objective a number of activities must be crashed. Activity Normal Time (weeks) Crashed Time (weeks) Normal Cost Crashed Cost | Predecessor(s) A 5 3 $900 $1,700 B 6 5 $350 $450 C 6 5 $600 $675 D 3 2 $850 $1,000 A E 5 3 $1,200 $2,400 C F 6 $675 $1,575 B What is the duration of the project (in weeks)? What is the target duration of the project (after crashing the project)? By how many weeks should activity A be crashed? By how many weeks should activity B be crashed? By how many weeks should activity C be crashed? By how many weeks should activity D be crashed? By how many weeks should activity E be crashed? By how many weeks should activity F be crashed? What is the total cost of crashing the project 4 weeks (just the additional cost, not total project cost)? (Display your answer to two decimal places.) 2275

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