a. What is the critical path for this project using the normal times? What are the critical path activities? What is the project completion time? b. If the project should be crashed by 3 days, which activities should be crashed? You should specifically state which activity should be crashed and by how many days. If that does not reduce the project by 3 days, which additional activities should be crashed? By how many days? c. What is the total cost before and after crashing? Time Time Crashing Cost/day Activity Predecessor (days) (days) A 5 1 $200 B 7 1 $500 -- 5 1 $200 D A 10 N $300 E B 6 1 $400 F AC 7 2 $650 G B 4 1 $500 H E, D. G 6 1 $350