Suppose the united states is currently producing 40 tons of hamburgers and 18 tons of tacos and mexico is currently producing 8 tons of hamburgers and 10 tons of tacos. if the united states and mexico each specialize in producing only one good (the good for which each has a comparative advantage), then a total of 12 additional ton(s) of hamburgers can be produced for the two countries combined (enter a numeric response using an integer) and a total of 4 additional ton(s) of tacos can be produced.

The quinoa seed is in high demand in wealthier countries such as the u.s. and japan. approximately 97% of all quinoa production comes from small farmers in bolivia and peru who farm at high elevations—8,000 feet or higher. the seed is considered highly nutritious. mostly grown and harvested in bolivia and peru, and sold to markets in other countries, the seed is now considered an important for these nations. the governments of bolivia and peru are hopeful that this product will increase the quality of life of their farmers.