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Kiwi Industries Sdn. Bhd, a phone manufacturer is producing a new model of smartphone known as Mobile i-Series to be marketed in January 2022. The operations manager has developed an assembly line that will produce 1,800 units per week. Workers work 8 hours a day for 6 days a week. The tasks, predecessor and task times are stated in the following table: Predecessor Task Time (Seconds) Task 31 B 36 C AB 25 D B 32 E 47 F 39 G 29 E,F,G 46 E, D 29 J HI 27 K I, J 36 a) Draw the precedence diagram of the operation. (3 marks) b) Compute the cycle time. (1.5 marks) c) Determine the minimum number of workstations. (1.5 marks) d) Balance the line using the Longest Task Time Heuristic Procedures. (4 marks) e) Determine the efficiency of the line. (1 mark) f) If wage is RM50 per day, determine the cost of idleness per day. (2 marks)