On Friday evening at 7:00 p.m., Kamal and Khaula will host a dinner party. Omar and Hana, their two children, will assist them in getting ready. At 4:00 p.m., all the children will return home from work and school. Kamal and Khaula have created a project network to aid in the planning of their dinner preparations. The following is a list of the project's activities, their precedence relationships, and activity times. Activity Activity Time estimates (mins) Predecessors a m b A 18 25 31 B 15 23 30 - 25 40 56 D C 20 30 45 E A.B 12 21 30 F D 10 17 25 F 5 12 18 H E 10 20 25 E 9 15 22 G 8 10 15 [TH 20 27 40 [TH 6 10 15 K,L 4 7 10 N K, L 10 14 20 O K, L 15 20 P K,L 6 O M 6 7 R O 8 10 Answer the following questions: i. Develop a project network (5 marks) ii. Determine the earliest and latest start and finish times, activity slack, and critical path. (15 marks)