b) Develop a solution for the following line balancing problem. Work Task Task Time (seconds) Task Predecessor(s). A 70 B 160 190 B D 60 E 170 CD F 100 BD G 190 E, F (3 marks) (2 marks) i) Draw the precedence diagram for the set of tasks. ii) Calculate the theoretical minimum number of workstations. ii) What tasks are assigned to which stations? iv) Does the solution have the minimum number of stations? Explain. v) How much idle time is there, summed over all workstations? vi) What is the efficiency of this line? (3 marks) (3 marks) (2 marks) (2 marks)