Question 2 After three months of study, Tan Sri Abdullah Hasyim, CEO of Megah University, had reached a decision. To the delight of its students, MU would expand the capacity of its on-campus stadium. The following data are the details of the project: Activity Description Activity Predecessor Optimistic Most Pessimistic (weeks) Likely (weeks) (weeks) A Order new machinery *** 1 2 3 B Plan new physical layout **** 2 5 8 Determine safety changes in C *** 1 3 5 existing machinery D Receive equipment A 4 10 25 E Hire new employees A 3 7 12 F Make plant alterations B 10 15 25 Make changes in existing G C 5 9 14 machinery H Train new employees D, E 2 I Install new machinery D, E, F 1 34 7 4 6 J Relocate old machinery D, E, F, G 2 5 10 Conduct employee safety K H, I, J 2 2 2 orientation Required: (a) Based on the data above, list THREE (3) key elements of project control for this project. (b) Draw the network for this project AND determine the values of ES, EF, LS, LF, and slack for each activity. (c) Determine the critical path and project completion time.