The data regarding a project is given below. 3 I J Activity Predecessors Time in weeks Cost (S) Crash Time Optimistic Most probable Pessimistic Normal Crash A 3 3 800 1400 2 B 4 7 1200 1900 3 6 7 8 2000 2800 5 D B 3 5 7 1500 2300 4 E 3 6 9 1800 2800 4 F A 6 9 12 600 1000 7 G 4 6 8 500 1000 5 H C,D 2 4 6 700 1200 4 C.D 3 5 7 1000 1700 5 E 2 3 4 1300 2100 2 K F,G,H 5 8 11 2100 3000 6 L F,G,H 3 5 7 1600 2600 4 M I 4 6 8 1500 2300 S N JK 7 1200 2000 4 a. Draw a pert network. (1 Marks) b. Find the expected duration and variance of the activity. (1 Marks) c. Find the critical path and the expected project completion time. (1 Marks) d. Develop an activity schedule. (1.5 Marks) e. With how many weeks would you expect the project to be completed with 96% chance?(1 Marks) f. Assume the company wants to complete the project within 22 weeks. What crashing decision do you recommend to meet the desire completion time at the least possible cost? (2 Marks) g. Develop an activity schedule for the crashed project. (1.5 Marks) h. What added project cost is required to meet the 22weeks' completion time? (1 Marks)