Answer and Explanation:
a. The marginal utility per dollar spent in a monopolistic industry is
= Marginal utility ÷ Price
= 10 ÷ 5
= 2 utils per dollar
b. The consumer marginal utility per dollar for the monopoly is
= Marginal utility ÷ Marginal cost
= 10 ÷ 2
= 5 utils per dollar
hence by using the above formulas, the above answers should be considered