6 3. (14 Points). Assume that a project can be crashed from 20 weeks to 15 weeks. Using the following information about the project, compute the direct and total costs for each duration. What activity(ies) will you crash at each step? Fill your answers in the table provided below and identify the optimum cost-time schedule. Activity Crash Cost (Slope) Maximum Crash Time Normal Time Normal Cost A 15 70 B 30 5 60 50 2 10 50 D 70 2 4 20 E 35 3 9 40 F 0 0 2 65 $305 A 6 10 20 Project duration F 2 B D E 5 4 9 Total direct cost $ $305 Unsupported image type. Activity(ies) to Crash Direct Cost 305 Indirect Cost 300 250 200 Total Cost 605 Project Duration 20 19 18 Unsupported image type. Activity(ies) to Crash Indirect Cost Direct Cost Project Duration 20 Total Cost 605 305 19 18 300 250 200 150 100 17 16 15 80 The optimum cost-time duration is with a total cost of