• The network below represents a project being analyzed by the critical path method. Activity durations in weeks, are given in the following table and required that a network diagram be drawn: Activity Preceding Duration A -- 9 B A 2 C A 12 D A 5 E B 6 F B 8 G C, F 3 H D 2 I H 8 J G, I 6 K E, J 2 
• a Draw the network diagram. (10 marks) 
• b Which activities form the critical path? (6 marks)
•  c How much slack exists at activities A and F? (4 marks) d What is the duration of the critical path? (5 marks)
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