The correct answer is: Total utility rises first but the begins a sudden fall when the marginal utility points toward the negative while Marginal utility falls when each unit is purchased.
What is utility?
Utility is a form or state of being profitable or beneficial. It shows the usefulness of the item to an individual.
Marginal utility is the addition made to total utility while total utility is the aggregate of all utility that is derived by the consumption of all commodities.
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