marginal cost example
marginal cost. The additional cost needed to produce or purchase one more unit of a good or service. For example, if a firm can produce 150 units of a product at a total cost of $5,000 and 151 units for $5,100, the marginal cost of the 151st unit is $100.Industries with sharply declining marginal costs tend to be made up of firms that engage in price wars to gain market share.he total cost to a company to produce one more unit of a product. The marginal cost varies according to how many more or fewer units a company wishes to produce.