4. Information about a project is given below. Answer the following questions based on the information Historical data Normal (averne Time (day) Immediate predecessor Normal Time Cost (S) Crash time (after erashing) (day) Additional crashing cost (5) Activity TI b A 6 18 6000 6 550 B 8 16 48 3000 8 220 C 4 10 16 4 A B A. BE 50 400 D 10 16 4000 5000 6000 34 10 E 8 15 16 8 60 5 13 45 CD 8000 5 200 G 16 62 4000 6 120 H 10 18 50 CD 15000 10 100 a. Find the normal (average) time of the activities in this project using historical data (the optimistic time (a), the pessimistic time (b), and the most likely time (m)). (10 points) b. Perform Critical Path Method on the below network diagram. Use the normal time as the duration of activities in your calculations. (10 points) (If you do not answer this partcorrectly, parts (c), (d), (e). (), and (g) will not be graded.) A A F G D H E d What is the completion time of the project 5 points) Which activities are critical activities? (5 points) Identify the entical path? 15 points) What is the total cost of the project? (5 points) If you need to complete the project one week earlier, which activity must be crashed? Why? (5 points) f. 4. Information about a project is given below. Answer the following questions based on the information Historical data Normal (averne Time (day) Immediate predecessor Normal Time Cost (S) Crash time (after erashing) (day) Additional crashing cost (5) Activity TI b A 6 18 6000 6 550 B 8 16 48 3000 8 220 C 4 10 16 4 A B A. BE 50 400 D 10 16 4000 5000 6000 34 10 E 8 15 16 8 60 5 13 45 CD 8000 5 200 G 16 62 4000 6 120 H 10 18 50 CD 15000 10 100 a. Find the normal (average) time of the activities in this project using historical data (the optimistic time (a), the pessimistic time (b), and the most likely time (m)). (10 points) b. Perform Critical Path Method on the below network diagram. Use the normal time as the duration of activities in your calculations. (10 points) (If you do not answer this partcorrectly, parts (c), (d), (e). (), and (g) will not be graded.) A A F G D H E d What is the completion time of the project 5 points) Which activities are critical activities? (5 points) Identify the entical path? 15 points) What is the total cost of the project? (5 points) If you need to complete the project one week earlier, which activity must be crashed? Why? (5 points) f