You are the project manager for a small residential building project described in the following conditions: the contractor who is developing the CPM network wants to finish the project as soon as possible there is no holiday or weekend there are 24 working hours per day Project start date is 0 Activity I Depends On Duration 2 days (48 hours) 2 days (48 hours) 3 days (72 hours) 4 days (96 hours) 5 days (120 hours) 4 days (96 hours) 3 days (72 hours) 4 days (96 hours) 3 days (72 hours) 4 days (96 hours) 2 days (48 hours) B, C, and D D E and F F and G H, I, and J (a) - 10 marks Develop the activity on arrow (arrow diagramming method) network. There is no need to show any numbers such as total float or free float on the network unless you need them to solve the questions below.) (b) - 4 marks What is the total project duration? (c) - 4 marks Identify the critical path. (d) - 6 marks What would happen to the project completion date if activity C consumed only 2 days, activity G consumed 5 days, and activity K consumed 3 days