Please solve it complete in one hour i will upvote you

3. Arthur Enterprises manufactures handcrafted leather suitcases and travel bags. The assembly is a labour intensive process consisting of seven stages Activity Time (min) Predecessors A 40 20 IC 15 IB D 15 A JE 10 F 15 D. E G 10 CF G 10 CF a. Draw a precedence diagram for this operation. (3 marks) b. Compute the total time to assemble one suitcase and the cycle time required to assemble 60 suitcases in a 40-hour week (5 marks) c Balance the line i.e. calculate the minimum number of workstations and assign the tasks to the workstations (6 marks) d. Calculate the balance efficiency for the line. (3 marks) e. What changes should be made to the line to produce 90 suitcases in a 40-hour week? Explain how you arrived at that conclusion. (8 marks)