[Solved] Applying a uniform markup to set the price of the various products sold by a firm is more profitable than varying the markup based on differences in the price elasticity of demand for the firm's products. Fetishistic Disorder: A mental health condition characterized by intense sexual arousal from non-living objects or specific body parts not typically associated with sexual arousal. Black Lingerie: Clothing items designed to be worn under other clothing, typically in black color, often associated with sensuality or eroticism. DSM-5: The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a standardized classification and diagnostic tool used by mental health professionals in the United States and other countries. Frotteurism: A paraphilic interest where sexual arousal is obtained from rubbing against a non-consenting person.