Q1. Table 1 shows the activities involving a master project that recommended for the master by research student at the Faculty of Engineering, Universiti Hang Jebat Malaysia. (a) Construct a project network diagram for Table 1 using the Arrow-On-Nodes (AON) method with all related calculations on the activities of Early Start (ES), Early Finish (EF), Late Start (LS), Late Finish (LF), and Slack (SL). (15 marks) (b) Determine the total completion time and the critical path of the project network diagram. (2 marks) Discuss the impacts on the project completion, if the activity F is delayed. (3 marks) Table 1: Activity Time Estimates and Dependencies ID Time (days) A B Activity Pre-Planning Planning Design Description Determine the theme Select supervisor, select team Designing the product Immediate Predecessor(s) N/A None Planning 80 120 D Analysis 40 Design E Procurement 80 Planning F Fabrication 160 Simulation and product analysis Purchasing raw materials and standard components Cutting, welding and manufacturing Fitting and components assembly Product testing and improvement Surface finishing and product body cover G Assembly 160 Design, Procurement Fabrication, Analysis Assembly TE Testing 120 I Finishing 80 Testing Analysis