Answer:
Country A will accept a rate of trade of 1 pound of wool for 5 cases of wine
Explanation:
Based on the model provided and due to the fact that goods are transferable, country A will be willing for an wool-to-wine exchange rate of 1 pound/5 cases. Due to the opportunity costs of the two countries, country A will spend more producing wine and will definitely specialized in wool. On the other hand, country be will spend less producing wine and will specialize in wine.