Environment Recycling Inc. must clean up a large automobile tiredump under a state environmental cleanup contract. Suppose thatsome of the activities in the Environment Recycling Inc. situationcan be crashed. The following table shows the crash times and costsassociated with performing the activities at their original(normal) times and also for the crash times.
ActivityImmediate
PredecessorsNormal
TimeCrash
TimeNormal
CostCrash
CostA—64$480$1,180BA321,8002,000CA429001,500D—98620870EB, C, D321,8002,050FD438801,080GD865601,360HE32400600IF, G, H757501,150
Choose the correct network for the project.
A.B.
C.
D.
Identify the critical path.
What is the total project completion time? Round your answer tothe nearest whole number.
weeks
What is the lowest-cost solution if the state wants to completethe
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