Problem 5-20 Assume the network and data that follow CRASH IMMEDIATE COST PREDECESSORS A ACTIVITY A B c D E F NORMAL TIME NORMAL CRASH TIME (WEEKS) COST (WEEKS) S40 4 BC 1. 9 50 R 5 100 4 7 1DD 5 80 3 4 70 3 100 110 1a0 130 140 130 A B D C, E, F b. Indicate the critical path when normal activity times are used. CA-C-F-G A-D-F-G CA-D-E-G A-B-E-G c. Compute the minimum total direct cost for each project duration based on the cost associated with each activity. Consider durations of 14, 15, 16, 17, 18, and 19 weeks. (Leave no cells blank - be certain to enter"0" wherever required. ABEG Length of path ACG ADFG Activity crushed Crash xxl Cum crash coet Total direct cost (Click la selecl) (Click la sekcl) (Click la selecl) (Click la selec) (Click la selecl) (Click li sekil) d-1. If the indirect costs for each project duration are $400 (19 weeks), $350 (18 weeks), $300 (17 weeks), $250 (16 weeks), $200 (15 weeks), and $150 (14 weeks), what is the total project cost for each duration?+ Total Costs Duration 19 18 17 16 15 14 d-2. Indicate the minimum total project cost duration. 14 or 15 weeks 13 weeks 15 or 16 weeks 17 weeks