The activities (for constructing municipal buildings), their immediate predecessors, & time requirements are given in following Table: Activity Time Required (weeks) Columni Column2 Immediate Normal Column3 Crash Column Predecessors Weeks ssss Weeks SSSS 4 5 4 4000 2 1000 3 4 3 3600 2 4800 3 4 5 3200 3 5000 7 8 9 9600 14 8400 4 5 1600 3 2000 2 4 1200 1 2500 5 6 3000 3 4000 2 4 1600 1 2400 9 3 4 4 4400 12 6000 10 1 1 2 2 2 1600 1 2000 11 18 20 26 20 7200 16 8.400 12 2 3 8 2 1600 1 2400 13 1 1 2 6.9, 10, 11 1 1000 0.5 1800 14 0.1 0.14 0.16 0.14 600 0.14 600 IS 0.2 0.3 0.4 14 0.3 200 10.3 700 16 1 1 2 1 0.5 1200 17 1 2 3 16 2 1600 1 2000 18 5 7 15, 17 $ 4400 3 6000 19 0.9 0.2 16 1 1400 2200 20 0.1 0.14 0.16 19 0.14 500 0.14 500 21 2 3 6 19 3 3000 2 4000 22 0.1 0.1 20 0.1 400 0,1 400 23 0 0.2 0.2 21.22 0.2 300 102 300 Requirements: Determine the Total Project Completion Time, Critical Path and Slack time for all activities involved 2. What will be the probability that the project will be completed in 20 weeks & 18.5 weeks? 3. Determine the least cost of reducing the project completion date by 3.5 weeks. NOO 05 0.2 3. Determine the least cost of reducing the project completion date by 3.5 weeks