The market for Laptop is dominated by Firm A. The other firms tend to follow Firm As lead in setting price and style of Laptop. The total (inverse) demand for Laptop in this town is: P = 300 - 0.1Q The marginal cost of producing and serving Laptop at by Firm A is: MCA = 40 + 0.1QA The competitive supply curve of Laptop by all the other (competitor) firms is: Pf = 100 + 0.1Qf If the dominant firm acts as a monopolist, how much will the competitive firms (fringe producers) produce?