He told the Japanese man that he is putting him in charge of productivity. The German was put in charge of efficiency. The Chinese man was put in charge of supplies.
A month later, he walks the factory floor and sees the workers working in unison like a well oiled machine which improved productivity by 50%.
Then he walked into the offices and noticed less workers, more focused on their work. The operating costs of the office went down 30%.
Then he walks in to the supply room and all the lights were off. As the manager turned on the lights, the Chinese guy jumps from behind the door and yells “SUPPLIES!!!”.