Problem

(a) Draw a network diagram in both AIB and AOA format that represents the development task list indicated below. Determine the earliest-latest starting and finishing times for each activity, the slack for each activity, and the critical path.Assume the project starts at time zero and completion date is the earliest date possible.

Activity Immediate predecessor Time (weeks)

A -- 4

B -- 6

C A,B 7

D B 8

E B 5

F C 5

G D 7

H D,E 8

I F,G,H 4

(b) Suppose it is desired to accelerate the schedule by 2 weeks. What strategy might the company consider to make up the time (2 weeks). Explain.