Assignment The manager of a company wants to apply crashing for the following project by reducing its comple time to 20 weeks. Activity Normal time (weeks Crash time (weeks) Normal cost (N) Crash cost (N) 6 4 60 100 60 200 50 150 45 65 90 200 80 300 40 100 45 80 1-2 1-3 2-4 2-5 3-4 4-6 5-6 6-7 4 5 3 6 8 4 3 2 3 1 4 4 2 2 a. Draw the new diagram. b. Determine the critical path. c. Find the total crashing cost of the project if it is reduced to 20 weeks.