This document discusses profit maximization, which refers to determining the price and output level that generates the highest profit for a business. It defines profit as total revenue minus total costs. The document outlines two main methods for profit maximization: the marginal cost-marginal revenue method and the total cost-total revenue method. It explains that to maximize economic profits, a firm should produce the quantity where marginal revenue equals marginal costs. The document also notes that while profit maximization is good for businesses, it can be bad for consumers if companies cut costs or raise prices excessively.