4} Refer to Figure 1'6- 3. Suppose Chantal charges all her customers a uniform price of $10 for a haircut. Which of the following statements istrue? A) Chantal is maximizing revenue in market B. B) Chantal will earn a greater prot through uniform pricing than if she practices price discriminates. C) Chantal is selling less than the prot- maximizing quantity of haircuts in market B. D) Chantal is selling more than the prot - maximizing quantity of haircuts in market B