4 work station used, Demand is 400 per week and then operation runs for 8 hours , 5 days a week Again referring to the above information -After balancing the line and assigning tasks to stations, what is the efficiency based on the actual number of workstations? weld, cut, ship, wash, box, paint, for, 4 mins, 3 mins, 2 mins, 5 mins, 3 mins, 2 mins, 3 mins