Use the following diagram depicting a dominant firm market to answer the question. Dominant Firm Market DM SF 200 110 Price DR 80 65 MRR MC 20 45 60 90 110 135 200 Quantity DM represents market demand, SF represents the fringe supply curve, DR represents the dominar firm's residual demand curve, MRM represents the dominant firm's marginal revenue curve, and represents the dominant firm's marginal cost curve. In equilibrium, how many units will the fringe producers supply? $110 $80 $65 O $20