A project has been defined to contain the following list of activities along with their required times for completion Activity No. Activity Time Immediate Predecessors (weeks) (Dependencies) 1 Collect requirements 5 2 B Analyze processes 4 A 3 C Analyze data 4 B D Design processes 8 B 5 E Design data 5 6 E Design screens CD 7 G Design reports 6 DE 8 H Program 7 F,G 9 Test and Documents 9 G 10 Install 4 HI 4 4 a. Construct a Gantt chart for the project defined in Problem b. Draw a Network diagram for the activities. C. Calculate the earliest expected completion time. d. Show the critical path. e. What would happen if activity. F were revised to take 6 weeks instead of 4 weeks