[Solved] Psychophysiological assessment of sexual dysfunction is generally conducted by A) using a device that measures physical arousal during exposure to an erotic video or audio tape. B) asking patients to keep a diary of their sexual activities. C) a physician during a medical exam. D) using a device that measures brain waves during exposure to an erotic video or audio tape. Unit Cost: The expense associated with creating, storing, or purchasing a single unit of a product or service. Retail Prices: The price at which goods and services are sold to the final consumer for personal use. Mark-ups: Additional charges applied to the cost of products to accommodate for overhead costs and profit margins. Cost: The cost is the value exchanged, often monetary, to acquire goods or services, encompassing expenses such as purchase price, production, and overheads.