Slack Time in a Network Is the

Slack time in a network is the

A) amount of time that an activity would take assuming very unfavorable conditions.
B) shortest amount of time that could be required to complete the activity.
C) amount of time that you would expect it would take to complete the activity.
D) difference between the expected completion time of the project using pessimistic times and the expected completion time of the project using optimistic times.
E) amount of time that an activity can be delayed without delaying the entire project.