6-5-2 Determining tasks to be crashed and the resultant cost

As the Project Manager of the project with the following defined activities, you have just realized that the project is falling behind schedule and huge penalties are likely to be incurred if no action is taken.  You have decided to crash the project so that it will be completed in 44 weeks.  Which activities are you going to crash and how much extra will it cost you in direct costs?

Activity

Predecessor

Crash time

(weeks)

Crash cost

($)

Normal time

(weeks)

Normal Cost

($)

A 8 600 10 300
B 9 435 12 300
C A 11 200 13 100
D A,B 8 550 10 150
E C,D 6 420 8 250
F E 5 250 7 100
G E 3 400 4 300
H F,G 9 1100 10 800

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