content area

Part $1$

Three commonly used productivity variables$$ are:

Part $2$

A$.$

$$quality$,$ external$$ elements, and precise units of measure.

B$.$

$$technology$,$ raw$$ materials, and labor.

C$.$

$$education$,$ diet, and social overhead.

D$.$

$$labor$,$ capital, and management.

E$.$

$$quality$,$ efficiency, and low cost