The difference between marginal cost and marginal revenue is Marginal cost is the money paid for producing one more unit of a good. Marginal revenue is the money earned from selling one more unit of a good. Thus the correct option is B.
<h3>What is the Marginal Revenue?</h3>
The difference in sales income or the additional income created by the seller when they produce and sell an extra unit of a good or service refers to marginal revenue.
When a change in the cost of production is observed when one additional unit of goods is being produced is refer as a marginal cost that appears from the additional output.
Therefore, option B is appropriate.
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