Verify that the critical path using the normal time for each activity is A,D,G, and the minimum project duration in weeks is 6 + 7 + 3. Then answer the following question: What is the minimum cost of reducing project duration by one week?

Development of an update of a particular software product is being considered by a software house. Information on the activitie: the completion of this project is provided in the following table! Immediate Normal Time Crash Time Activity Normal Cost Crash Cost Predecessors ( Weeks) (Weeks) $500 $1000 $300 $600 $480 $480 $200 $410 $280 $400 $190 $300 $810 $1450 B- Verify that the critical path using the normal time for each activity is A, D, G, and the minimum project duration in weeks is 6+7+3. Then. the following question: What is the minimum cost of reducing project duration by one week