Which of the Following Is NOT One of Taylor's Four

Which of the following is NOT one of Taylor's four principles of management?

A) Develop a science for each element of an individual's work, which will replace the old rule-of-thumb method.
B) Scientifically select and then train, teach, and develop the worker.
C) Ensure incentives and the work environment support the right results based on scientific principles.
D) Provide managers with less work than other employees so the managers can plan accordingly.
E) Divide managing and work responsibilities to use people's strengths.