A project has the following characteristics Activity B D E F G H 1 J K L M N Preceding Activity None A B D D D B C.E G F,I,J HG M Expected Completion Time (in weeks) 5 2 6 12 10 9 5 9 1, 2 3 9 7 8 5 N- a) Draw a PERT network for this project. b) Find the critical path and the project completion time. c) Prepare an activity schedule showing Es, EF, LS and slack for each activity d) Will the critical path change it activity G takes 10 weeks instead of 5 weeks? If so, what will be the new critical path