[Solved] An efficient distribution of goods requires that A)everyone gets an equal share of each good. B)marginal cost equal marginal utility for the last unit produced. C)each person derives the same total utility from the good. D)since tastes differ, every person pays a different price in accordance with different marginal utilities. McCarthys' Sexual Styles: A conceptual framework identifying different styles of sexual expression and behavior as characterized by the research of McCarthy. Intrapersonal Activity: Activities or processes that occur within the individual's mind. Autoeroticism: The practice of achieving sexual pleasure through stimulation of one's own body. Penial-vaginal Intercourse: A sexual encounter characterized by the penis being inserted into the vagina.