Respuesta :

The answer is, "As the amount of an activity is increased, marginal benefit decreases".

A marginal benefit refers to the extra fulfillment or utility that a man gets from consuming an extra unit of a good or services. A man's minimal advantage is the greatest sum he will pay to consume that extra unit of a good or services.
What typically happens to benefits as the amount of an activity is​ increased? As the amount of an activity increases, the marginal benefits decrease.

 The marginal benefit refers to the amount of increased benefits a consumer receives from consuming one ore additional unit of a good or service. As the consumer consumes more of something, the marginal benefit will start to decease because they have received the benefit to the max potential.