Because these problems do not make nice spreadsheets, this is a chance to work on document presentation skills. In other words, your instructor reserves the right to not grade problems that are electronically indecipherable to him. That usually means, phone pictures of solutions written out on notebook paper, napkins, excess toilet paper, etc. Problem 1 The following CPM network has estimates of the normal time in weeks listed for the activities: Activity Immediate Pred Weeks A B 7 2 A A B, C B D, E CF +in+in Normal Crash Normal Crash Time Time Activity A B 7 2 4 6 1 MO ALL 3 4 Cost $7,000 5.000 9,000 3,000 2,000 4,000 5,000 Cost $8,000 7.000 10.200 4,500 3,000 7,000 8.000 5 2 1 2 4 G 5 4 a. Please identify the critical path. b. What is the length of time to complete the project? C. Which activities have slack, and how much? d. Based on the table of normal and crash times and costs, which activities would you shorten to cut two weeks off the expected completion time? Does this change the critical pathif so, what is the new path(s)