Question: Below are the data for a Time-Cost CPM scheduling model. Times are in days and costs include both direct and indirect costs. Activity B D

Below are the data for a Time-Cost CPM scheduling

Below are the data for a Time-Cost CPM scheduling model. Times are in days and costs include both direct and indirect costs. Activity B D E Immediate predecessor None A A B and C D Crash Normal time time 3 2 4 3 4 3 3 2 2 1 Normal cost (in dollars) 20 30 20 50 50 Crash cost in dollars 40 45 35 60 55 a. Draw the project network. b. What is the total time for this project? c. What is the critical path? d. Which activity will you shorten in order to shorten this project by one day? Explain the reason for your choice. e. What is the total cost of completing the whole project (that is, the total cost of completing all the activities of the project) one day earlier than the computed project completion time

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