Question: Crashing in the Critical Path Method assumes that the cost of crashing an activity is linearly proportional to the amount of time the activity is

Crashing in the Critical Path Method assumes that the cost of crashing an activity is linearly proportional to the amount of time the activity is crashed; that is, the rate of cost increase is constant (see Exhibit 18.12). Is this a reasonable assumption? Why or why not? How might the concepts of economies and diseconomies of scale help to address this issue?

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