Assume the network and data that follow ACTIVITY IMMEDIATE PREDECESSORS B C D E NORMAL TIME NORMAL CRASH TIME (WEEKS) COST (WEEKS) 4 $ 30 3 100 3 8 60 5 6 110 5 4 90 2 3 70 6 50 5 CRASH COST S 35 140 150 170 130 100 120 A B D CEF 2 G b. Indicate the critical path when normal activity times are used O A-D-E-G O A-B-E-G A-C-F-6 O AD-FG c. Compute the minimum total direct cost for each project duration based on the cost associated with each activity Consider durations of 16, 17, 18, 19, 20, and 21 weeks. (Leave no cells blan ABEG Length of path ACG ADFG Activity crashed Crash cost Cum crash cost Total direct cost (Click to select) Click to select) Click to select Click to select) (Click to selec) (Click to select) d. 1. If the Indirect costs for each project duration are $400 (21 weeks). $350 (20 weeks). $300 (19 weeks), 5250 (18 weeks). 5200 (17 weeks), and $150 (16 weeks). What is the total project com Duration Total Costs 21 20 19 18 17 16 d-2. Indicate the minimum total project cost duration 17 weeks 14 of 15 weeks 15 of 16 weeks O 13 weeks