Answer:
The correct answer is letter "E": diminishing marginal utility.
Explanation:
The Law of Diminishing Marginal Utility states that the more you use a good or service, the less pleased you will be with each use or use that follows. The law of diminishing utility is a key principle in assessing consumer preferences. This assumes consumers are rational and spend money in such a way as to maximize their contentment with each subsequent unit without impacting their overall enjoyment negatively.
