Problem 1 (20 points): Shown below is a network showing the sequence of activities that must be performed to complete a contract. The estimated duration for each task in days is indicted on the network. B, 6 F. 3 A8 c.3 E, 5 H, 8 D. 2 G4 a(4). Find the critical path and the project completion time. b(6). Make a table of ES, EF, LS, and LF for each activity. c(2). Calculate the slack for activity D. d(8). The entrepreneur is considering reducing the time for completion of the project. He can hire additional workers to help reduce the times required for activities B, F, and G; by maximum two days at the cost of $100 per day. The entrepreneur can also hire additional workers to help reduce the times required for activity C; by maximum two days at the cost of $150 per day. Which activity should an additional worker perform to reduce the project completion time by one day? (2) (11) Which activities should the additional workers perform to reduce the project completion time by two days? What is the total cost? (6) Please provide complete logic for your activity selection for full credit