Plz solve as soon as possible

3. Using the Information given below in Tables 3 and 4 about the project network, compress 1 week 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? [15] Table 3 Table 4