Question: Problem 2. (Project Crashing.) Consider the project network described in the following table, in which Tn and Tc are in days and Cn and Cc

Problem 2. (Project Crashing.) Consider the project network described in the following table, in which Tn and Tc are in days and Cn and Cc are in $1,000s. Activity Immediate Tn Cn Tc Cc Cost slope Predecessors A 6 10 2 38 B 4 12 4 12 4 18 2 36 D A 6 20 2 40 E B, D 3 30 2 33 F 10 10 6 50 G F, E 6 20 2 100 IT Please follow the class example to formulate a Linear Program that crashes the project by at least 3 days with minimum crashing cost. Let's assume that the project starts on day 1 and define the decision variables to be: : earliest start (ES) time of activity : # days to be shorten for activity (You do not need to Solve the model with Solver.)

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