QUESTION 4 4.1 The following table represents data of a project you are working on: Activity Predecessor Most Optimistic Most likely Most Pessimistic Time in days 4 8 24 3 10 11 - 6 12 24 A;B 9 14 25 B;C 11 16 27 D;E 13 15 35 G F 5 9 19 H G 7 15 23 Required: 4.1 Using the PERT formula, calculate the time (t) for each activity. 4.2 Construct the network using the AON methodology. 4.3 Identify the paths and indicate the critical path. 4.4 Explain the advantages of using network diagrams rather than Gantt Charts. ABCDEF А с (25) (5) (10) (5) (5)