Question: 20. Consider a project with five activities: A, B, C, D and E. Assume A can be started as soon as the project is kicked

20. Consider a project with five activities: A, B, C, D and E. Assume A can be started as soon as the project is kicked off. B can start as soon as A is completed. C and E can start as soon as B is completed. (C and E can happen simultaneously). D can start as soon as C is completed. The normal time as well as the daily crash cost of each activity are shown in the table below.

The deadline of the project is 24 days from the start. The duration of each activity can be reduced by one day by incurring the daily crash cost. No activitys duration can be reduced by more than one day. What should the project manager do to meet the deadline?

Fill in the blanks with a single letter (e.g., A).

The project manager needs to first crash activity , _________

and then crash activity ._______________

28.

Using the table below, construct the project network and determine the Early Start, Early Finish, Late Start, and Late Finish times and the Slack associated with each activity.

Fill in the blanks with a single number.

The Early Start Time of D = ,______________Late Start Time of D = , __________________Slack of E = .___________

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