23. The above figure shows the kinked demand curve for an oligopolist. Suppose the marginal cost curve is horizontal at $30. Then the firm will produce ______ units of output and charge a price of ______. (A)3; $40 (B)3; $30 (C) 3; $10 (D) 4; $30
23. The above figure shows the kinked de..-阿摩線上測驗