part 1: main idea\nthe additional expense of producing one more unit of a product is called\nmarginal…

part 1: main idea\nthe additional expense of producing one more unit of a product is called\nmarginal cost\nmarginal labor\nmarginal product\nmarginal revenue

part 1: main idea\nthe additional expense of producing one more unit of a product is called\nmarginal cost\nmarginal labor\nmarginal product\nmarginal revenue

Answer

Brief Explanations:

In economics, marginal cost is defined as the additional cost incurred in producing one - more unit of a product. Marginal labor refers to additional labor input, marginal product is the additional output from one more unit of input, and marginal revenue is the additional revenue from selling one more unit.

Answer:

A. marginal cost