Using the P E R T diagram in Figure below determine the answers:
a. What activities can you expedite to complete the project a week ahead of schedule?
b. Suppose Activity E is the least costly activity to expedite. What happens if you try to expedite the project by more than one week? Explain.
The activities can you expedite to complete the project a week ahead of schedule are determined by the critical path, A-E-I-D (refer to the solution for Problem 19).
Activity E is the least costly activity to expedite but since activity A-E is 12 weeks and F-G is 11 weeks, if you try to expedite the project by more than one week A-E-I-D will no longer be the critical path.
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