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1. (6 marks) Suppose, in the international market, 5 cars can be exchanged for 100 bushels of wheat. Country X, Country Y and Country Z are three small countries. Their production opportunities for each unit of resource are as follows: Number of Cars Bushels of Wheat Country X or 12 Country Y or 30 Country Z 3 OF 90 Which country (countries) should sell cars in the international market? ii. Referring to the answers to (i), what are the corresponding gains to these three countries from selling / buying a car in the international market? Show your working steps to the above answers