The project manager of a task force planning the construction of a domed stadium had hoped to be able to complete construction prior to the start of the next college football season. After reviewing construction time estimates, it now appears that a certain amount of crashing will be needed to ensure project completion before the season opener. Given the following time and cost estimates, determine a minimum-cost crashing schedule that will shave five weeks off the project length. No activity can be crashed more than twoweeks.

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CRASHING COSTS ($000) Second Week Immediate Predecessor Normal Time (weeks) First Week Activity 12 14 10 $15 10 21 18 12 15 20 16 12 24 24 30 25 10 12 25 20 20 K, M, N, P