"The differential costs or incremental costs of increasing production from 1,000 automobiles to 1,200 automobiles per week would be the additional costs of producing the additional 200 automobiles." If production were reduced from 1,200 to 1,000 automobiles per week, what would the decline in costs be called?

A. The decline in costs would be called an outlay cost.

B. The decline in costs would be called a limiting factor.

C. The decline in costs would be called an opportunity cost.

D. The decline in costs would be called differential or incremental savings.