Here are the data for a time-cost CPM scheduling analysis.The time is in days and the costs include both direct and indirect costs. If you crash this project to reduce the total time by four days, what is the total time of the project and total cost?
A)Total time is 10 days, total cost is $2,500.
B)Total time is 9 days, total cost is $2,300.
C)Total time is 8 days, total cost is $2,750.
D)Total time is 8 days, total cost is $1,850.
E)Total time is 9 days, total cost is $2,350.

Question

Here are the data for a time-cost CPM scheduling analysis.The time is in days and the costs include both direct and indirect costs.  If you crash this project to reduce the total time by four days, what is the total time of the project and total cost?
A)Total time is 10 days, total cost is $2,500. 
B)Total time is 9 days, total cost is $2,300. 
C)Total time is 8 days, total cost is $2,750. 
D)Total time is 8 days, total cost is $1,850. 
E)Total time is 9 days, total cost is $2,350.

Quizplus · Accepted Answer

The critical path is ABDE.To crash the project by four days, you must reduce each of these four activities by one day.Crash cost for A is $200/day; for B, $300/day; for D, $50/day; and for E, $400/day.The total cost, then, is $400 + $600 + $300 + $550 + $900 = $2,750, and the duration is 2 + 3 + 2 + 1 = 8 days.

Here Are the Data for a Time-Cost CPM Scheduling Analysis