The increase in total cost resulting from producing one more unit of output is called

A) marginal cost.
B) average total cost.
C) variable cost.
D) opportunity cost.

Marginal Cost

The additional cost incurred from the production of one more unit of a product or service.

Total Cost

The complete cost of production that includes both fixed and variable costs.

Opportunity Cost

The best alternative that we forgo, or give up, when we make a choice or a decision.