Which of the following is not an attribute of lean operations?

Question $44$ options:

A$.$ eliminating almost all inventory through just$-$in$-$time techniques

B$.$ minimizing space requirements by reducing the distance a part travels

C$.$ pushing responsibility to the highest level possible through centralized decision making

D$.$ educating suppliers to accept responsibility for helping meet customer needs

E$.$ All of the above are attributes of lean operations.