A senior MIS design class project team has developed the following schedule of activities for their project, using their best estimate of completion times measured in days. Both written and oral reports are required. Time Immediate Predecessor Activity A. Find client B. Write prospectus 42 C. Obtain approval from client and professor 3 D. Complete programming 12 E. Do industry background research 10 F. Write final paper 2965 G. Write oral report ABC D, E D, E a. (10) Draw the project network. b. (10) Determine the critical path and the length of the critical path