There are certain costs—such as the rate of wages, the overhead, the price of materials, and the like, which they could not in any way control, so they do not bother about them. What they can control is the rate of production in their own departments. The rating of a department is gained by dividing the number of parts produced by the number of hands working. Every foreman checks his own department daily—he carries the figures always with him. The superintendent has a tabulation of all the scores; if there is something wrong in a department the output score shows it at once, the superintendent makes inquiries and the foreman looks alive. A considerable part of the incentive to better methods is directly traceable to this simple rule-of-thumb method of rating production. The foreman need not be a cost accountant—he is no better a foreman for being one. His charges are the machines and the human beings in his department. When they are working at their best he has performed his service. The rate of his production is his guide. There is no reason for him to scatter his energies over collateral subjects.
This rating system simply forces a foreman to forget personalities—to forget everything other than the work in hand. If he should select the