The project activities and activity attributes are as indicated in the table below: Use this information to answer the related questions. Activity Predecessor Activity duration (days) Start 0 A Start 3 B 9 C 4 D 6 4 5 2 4 7 3 1 0 3) Construct a network diagram for this project and complete the forward and the backward passes (10 marks) b) Find all paths to completion {5 marks) c) What activities lie on the critical path? and what is the duration of the critical path? (4 marks) d) Establish all activities with a float and find the free float on F. (3 marks) e) What is the earliest start time {ES} for E, H, J & K? (3 marks\