The total utility of a good is equal to the marginal utility of the last unit consumed.

Question

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The total utility of a good is not equal to the marginal utility of the last unit consumed. Total utility is the sum of all the marginal utilities of the units consumed up to that point. The marginal utility of the last unit consumed can be equal or less than the marginal utility of the previous unit consumed, indicating diminishing marginal utility.

The Total Utility of a Good Is Equal to the Marginal