Question: 10. A project is shown below, and the project manager is asked to develop an optimal time-cost solution: Predecessor Estimated Duration Cost/Week for Activity ID

10. A project is shown below, and the project

10. A project is shown below, and the project manager is asked to develop an optimal time-cost solution: Predecessor Estimated Duration Cost/Week for Activity ID Crash Time (Days) (Days) Crash A 6 6 0 B A 10 8 $500 A 5 4 $300 D 4 1 $700 E B, D 9 7 $600 F E 2 1 $800 a. Determine the critical path, total time, and slack. b. Rank the critical path activities in order of lowest crashing cost, and determine the number of days each can be crashed. c. Shorten the project one day at a time, and check after each reduction to see what path is critical. Show the crashing sequence. Note: Another path may equal the length of the shortened critical path and no additional improvement is feasible. This is the optimum time-cost solution

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