A project has been defined to contain the following list of activities along with their required times for completion. Table 1 Activity No. Immediate Predecessors Expected Duration 3 B A 1 C A 2 D B, C 5 E 3 F D 2 G E, F 3 H F G 5 1 G H 5 J 1 2 Based on Table 1, a) Construct a Pert chart for the activities. b) Calculate the Expected Time, the Earliest Expected Completion time (Te), the Latest Expected Completion Time (TL) and the Slack Time. Show critical path