Question: Problem 3. (Chapter 5 Project Management) Table below contains information about an environmental clean-up project. Shorten the project three weeks by finding the minimum-cost schedule.

Problem 3. (Chapter 5 Project Management) Table
Problem 3. (Chapter 5 Project Management) Table below contains information about an environmental clean-up project. Shorten the project three weeks by finding the minimum-cost schedule. Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs. (Hint: This problem is similar to the example of Crashing a project in Slides 30-40 of Chapter 5) Activity Immediate Normal Time (weeks) 7 Crash Time (weeks) 6 Cost to Crash (s per week) 200 Predecessors None B 12 9 250 None 7 6 250 D 6 5 300 E 1 1 B F 1 1 G 3 1 200 CD D.E F H 3 350 NIN 1 2 G 2

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