1. Congaree's opportunity cost of producing 1 pair of chinos is of pistachios, and Yosemite's opportunity cost of producing 1 pair of chinos is of pistachios. Therefore, has a comparative advantage in the production of chinos, and has a comparative advantage in the production of pistachios.
4. Suppose that each country completely specializes in the production of the good in which it has a comparative advantage, producing only that good. In this case, the country that produces chinos will produce
7. million pairs per week, and the country that produces pistachios will produce
9.  
10. million pounds per week.
11.