what is the best definition of marginal benefit?\n the possible income from producing an additional item\n…

what is the best definition of marginal benefit?\n the possible income from producing an additional item\n the price of producing one additional unit of a good\n the additional income gained from selling an additional good\n the financial gain from business activity minus expenses
Answer
Brief Explanations:
Marginal benefit is the additional benefit a firm or individual receives from consuming or selling one more unit of a good or service. In economic - terms related to production and sales, it is the additional income gained from selling an additional good. The first option refers to possible income from production which is not the most accurate; the second option is about production price which is marginal cost; the fourth option is about profit.
Answer:
the additional income gained from selling an additional good