Question: Consider the following table with 7 Activities, its predecessors, Normal time, Crash time, Normal cost and Crash cost. COST NORMAL CRASH NORMAL CRASH ACTIVITIES PREDECESSOR

Consider the following table with 7 Activities, its predecessors, Normal time, Crash time, Normal cost and Crash cost. COST NORMAL CRASH NORMAL CRASH ACTIVITIES PREDECESSOR TIME in Weeks START A START 6 6000 7500 B START 4 2000 START 2 1000 3000 2000 2000 D 7 2000 E 6 5000 7000 B.C A.D E.D DF 1000 1500 F G 1500 3000 END G (a) Find the Additional cost per week and the week's difference. (4 Marks) (b) Draw the network diagram using Normal Time, find the Early Start, Early Finish, Late Start and Late Finish time of each activity. (8 Marks) (c) Identify the critical paths and its duration. (2 Mark) (d) To shorten the Project by 4 weeks which activities should be crashed? Justify your answer. (4 Marks) (e) What would be the final total cost after crashing for 5 weeks? (2 Marks)

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