A Dominant Firm's Residual Demand Curve Is

Multiple Choice

A dominant firm's residual demand curve is

A) the horizontal difference between the market demand curve and the supply curve of the fringe firms.
B) the vertical difference between the market demand curve and the supply curve of the fringe firms.
C) the demand curve left for the fringe firms after the dominant firm has determined an output level.
D) None of the above.