Question: Here are the data for a time-cost CPM scheduling model analysis. The time is in days and the costs include both direct and indirect costs.

Here are the data for a time-cost CPM scheduling model analysis. The time is in days and the costs include both direct and indirect costs.

Activity Immediate Predecessor Normal Time Crash Time Normal Cost Crash Cost
A None 3 2 $200 $400
B A 4 3 $300 $600
C A 1 1 $300 $300
D B and C 3 2 $500 $550
E D 2 1 $500 $900

If you crash this project to reduce the total time by one day, what is the total time of the project and total cost?

Multiple Choice

  • Total time is 13 days, total cost is $1,500.

  • Total time is 12 days, total cost is $2,300.

  • Total time is 12 days, total cost is $2,000.

  • Total time is 11 days, total cost is $2,350.

  • Total time is 11 days, total cost is $1,850.

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