2. Answer the questions based on the activity schedule given below. Activity Immediate Normal Normal Cost Crashing Crashing Cost Predecessor time (FD) Time (FD) A 150 3 150 B 4 200 3 220 C A 4 500 3 575 D AB 300 400 E CD 5 400 4 550 F ED 3 200 2 500 A. Draw the AON diagramme for the above schedule. B. Calculate crash cost per day for each activity C. What is the estimated completion time? D. What is the best option to crash the project to complete in 1 day earlier? E. What are the best options to crash the project to complete in 2 days earlier? F. What are the best options to crash the project to complete in 3 days earlier? G. What are the best options to crash the project to complete in 4 days earlier