Find the above attached question and give the answer properly.

1. The Chenab Bridge, one of the highest railway steel and concrete arch bridge (height 1178 ft) is under construction between Bakkal and Kauri in the Reasi district of Jammu and Kashmir in India. The bridge has 6 major activities, their precedence requirements, normal and crash activity times and normal and crash costs for a construction project is shown below: (10 Marks) Cost (in INR.) Precedence Activities Activity A B D E A A B,C D Required Time (weeks) Normal Crash 2 1 8 5 4 3 1 1 2 1 5 3 Normal 10,000 15,000 20,000 7,000 8,000 10,000 12,000 Crash 15,000 21,000 24,000 7,000 15,000 16,000 36,000 F D E.F G 6 2 a. Determine the estimated completion time of the project. b. Draw the network diagram and identify the critical path. c. Which activities have slack and by how much? d. Project Manager of Chenab Bridge realises that the monsoon may hit 15 days before the estimated completion time of the project that will further hinder progress of some of the activities of the project. To shorten the project by 2 weeks, what activities would be shortened? What would be the incremental cost of the project