[Solved] If perfectly competitive firms are making an economic profit,then A) the market is in its long-run equilibrium. B) new firms enter the market and the equilibrium profit of the firms already in the market decreases. C) new firms enter the market and the equilibrium profit of the firms already in the market increases. D) firms exit the market and the economic profit of the surviving firms in the market decreases. E) firms exit the market and the economic profit of the surviving firms in the market increases. Sexual Arousal: The physiological and emotional response of the human body to sexual stimuli, which includes physical and psychological changes. Bisexual Attraction: A sexual orientation characterized by the ability to experience sexual, emotional, or romantic attraction to people of both one's own and other genders. Erotic Plasticity: The degree to which an individual's sex drive and erotic responses can be shaped by cultural, social, and situational factors. Origins of Sexual Orientation: The factors contributing to a person's emotional, romantic, or sexual attraction to individuals of the same sex, opposite sex, or both.