a, e&g

4. Following are activities, precedence relationships, and task times for a number of tasks. (a) Construct a precedence diagram. (b) Compute early and late times. (c) Compute the slack for each task. (d) Which tasks could the project manager delegate? (e) Find the critical path. (f) Which tasks would you shorten first to shorten the project completion time? (g) What is the expected project completion time