18. Figure 5.6 llustrates the practice of internationaldumping by British Toys, Inc. (BTI). Figure 5.6(a)shows the domestic demand and marginal revenueschedules faced by BTI in the United Kingdom(UK), and Figure 5.6(b) shows the demand andmarginal revenue schedules faced by BTI in Canada. Figure 5.6(c) shows the combined demand and marginal revenue schedules for thetwo markets, as well as BTI's average total cost andmarginal cost schedules.In the absence of international dumping, BTIwould charge a uniform price to U.K. andCanadian customers (ignoring transportation