Describes a situation in which there would be decreasing marginal utility

Answer

Having lunch right after having breakfast

Explanation:

Marginal utility is the additional satisfaction a consumer gains from consuming one more unit of a good or service.

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.