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 4weeksand

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 4weeksand 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	$800	$1,200	-
B	6	5	$300	$450	-
C	6	5	$550	$775	-
D	3	2	$900	$1,100	A
E	5	3	$1,350	$1,950	C
F	6	3	$900	$1,200	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 Bbe crashed?

By how many weeks should activity Cbe crashed?

By how many weeks should activity Dbe crashed?

By how many weeks should activity Ebe crashed?

By how many weeks should activity Fbe 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.)

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