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

what is the best definition of marginal cost? the possible income from producing an additional item the price of producing one additional unit of a good the additional income gained from selling an additional good the financial gain from business activity minus expenses
Answer
Brief Explanations:
Marginal cost is the cost of producing one more unit of a good. It's not about income (from producing or selling) or overall financial gain minus expenses.
Answer:
the price of producing one additional unit of a good