The managing partner of the Scott Corey accounting firm has decided that the system must be up and running in 16 weeks. Consequently, information about crashing the project was put together and is shown in the following table:

(a) If the project is to be finished in 16 weeks, which activity or activities should be crashed to do this at the least additional cost? What is the total cost of this?
(b) List all the paths in this network. After the crashing in part (a) has been done, what is the time required for each path? If the project completion time must be reduced another week so that the total time is 15 weeks, which activity or activities should be crashed? Solve this byinspection.

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NORMAL CRASH IMMEDIATE TIME TIME NORMAL CRASH ACTIVITY PREDECESSOR (WEEKS (WEEKS) COST ( COST (S) 8,000 9,800 9,000 10,000 12,000 15,000 15,000 15500 5,000 8.700 7,500 9.000 8,000 9.400 3 5,0006,600 D. E F.G