2. Using the Information given below in Tables 2 and 3 about the project network, compress lweek per move using the least cost method. Reduce the schedule until you reach the crash point of the network. For each move, clearly write what activity (s) was crashed and the adjusted total cost. Under normal circumstances, the project is completed in 21 weeks. Total weekly indirect costs are presented in Table 3. What is the optimum cost-time schedule for the project? What is the cost? [12.5] Table 2 Predecessors None A Normal time 4 Activity A B Crash time 4 Normal cost 50 70 Crash cost 50 190 5 2 A 5 4 80 120 2 4 5 3 D E F G 5 4 4 3 B DF DE G H 40 60 50 70 80 50 120 140 90 100 110 50 H 4 3 3 3 2 Table 3 21 1000 20 910 19 820 18 730 17 640 16 550 15 460 14 370 Week No Indirect cost (dollar value)