[Solved] Productive efficiency is achieved when A)firms add a low profit margin to the goods and services they produce. B)firms produce the goods and services that consumers value most. C)firms produce goods and services at the lowest cost. D)there are no shortages or surpluses in the market. Sexual Dysfunctions: Disorders related to any phase of the sexual response cycle, preventing individuals or couples from experiencing satisfaction from sexual activity. Pornography: Explicit visual or written material intended to stimulate sexual excitement. Research Finding: The result or outcome of a research study, often contributing new knowledge or understanding to a particular field. Sexual Arousal: Sexual Arousal is a complex psychological and physiological state involving increased blood flow, heightened sensitivity, and preparation for sexual activity.