QUESTION 5 - SEQUENCING ACTIVITIES [5 + 5 + 5 = 15 Marks) Tom got the job! On his first day at ABC Telecom, Tom's supervisor called him into her office and handed him his first assignment. Tom's assignment involves scheduling activities for an in-house software development project. The activities of the project are summarised in the table below. Dependency(ies) 1 P 2 Day 1 1 4 Table 1. Project activities of the software development project. Activity ES = Earliest Start Duration S = Sequential P = Parallel 1 Day 0 1 day S 2 Day 1 1 day S 3 Day 1.5 2 days 4 2 days S 5 Day 3 2 days S 6 Day 3 2 days S 7 Day 5 3 days S Day 5 1 day S 9 Day 8 1 day S 10 Day 6 1 day P 11 Day 5 1 day P 12 Day 5 1 day P 13 Day 6 1 day S 14 Day 9 1 day S 4 8 6 7 3,8 5 5 12 9,10,11,13 a) Assuming you were Tom, draw an Activity-On-Arrow (AOA) Network Diagram for the software development project based on the information in Table 1. To receive full marks, you must fully label all activities and the direction of each arrow. (5 Marks) b) On the network diagram obtained in part (a), label the top left and top right corners of each node with the Earliest Start (ES) and Earliest Finish (EF), and similarly the bottom left and bottom right corners with the Latest Start (LS) and Latest Finish (LF), respectively. (5 Marks) c) Identify the activities that comprise the critical path of the network diagram. Also, calculate the length (or duration) of the critical path