[Solved] Which type of cost does depend on a firm's output? A) variable cost B) total cost C) marginal cost D) all of the above Radio Stations: Broadcast outlets that transmit audio content via radio waves to reach a wide audience. Media Conglomerate: A company that owns large numbers of companies in various mass media such as television, radio, publishing, and films. Monopolistic Power: The ability of a single entity or company to control or dominate an industry or sector, often leading to reduced competition. Pornographic Material: Content intended to sexually arouse, often explicit in nature and not suitable for all audiences.