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3.1 The tasks below are required for assembling air conditioners at a household appliance manufacturer in Richards Bay. The times in the table are in minutes. The forecast indicate a demand of 60 units in a 10-hour work day. 3.1.1 Draw the precedence diagram. 3.1.2 Calculate the cycle time 3.1.3 Calculate the minimum number of workstations required to meet the demand. 3.1.4 Design an assembly line to meet the daily demand. Show full calculations, including the cumulative station times and the unassigned station times. 3.1.5 Calculate the efficiency of the assembly line for the optimal solution above. 3.2 To assemble a cockpit at an automotive company, the following tasks are required. The assembly area is available for production 450 minutes a day, and the daily demand is 30 units. Assign the tasks to workstations and determine how much idle time is present in each cycle. Show full calculations, inclur 4/ cumulative station times and unassigned station times