12.13. A monopolist faces two market segments. In each market segment, the demand curve is of the constant elasticity form. In market segment 1, the price elasticity of demand is "3, while in market segment 2, the price elasticity of demand is "1.5. The monopolist has a constant marginal cost of $5 per unit, which is the same in each market segment. What is the monopolist’s profitmaximizing price in each segment?