Answer:
In order that both can take benefit from the exchange, the price of coats in terms of trousers must be between 3 and 3.33 extremes not inclusive
Explanation:
Being in the extremes of this range could represent a loss in terms of own capacity to these companies. If the price of coats in terms of trouser goes near of 3,33 then Wynn Debbler would take all the benefits; if the price of coat goes near 3, al then benefits would go to Peg Michaels