Final answer:
A monopoly firm, surrounded by barriers to entry, can charge any price for its product, but the price is still constrained by the demand for the product. The statement made by the antitrust lawyer is accurate in describing a monopoly's behavior.
Step-by-step explanation:
A monopoly firm, surrounded by barriers to entry, can charge any price for its product, but the price is still constrained by the demand for the product. Unlike a perfectly competitive firm, a monopoly firm faces a downward-sloping demand curve. The statement made by the antitrust lawyer is accurate in describing a monopoly's behavior, as the monopolist aims to maximize its profits by choosing the combination of price and quantity that maximizes its profit.