The project manager of the construction of a domed stadium had hoped to be able to complete the construction prior to the start of the next season. After reviewing the activity duration estimates, it now appears that a certain amount of crashing will be needed to ensure project completion before the season opener. Given the following information, determine the minimum-cost crashing schedule that will shave five weeks off the project length.

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Crashing Normal Duration Precedes (weeks) First Activity D, E, F N, P 25,000 10,000 1 2 20,000