1. A firm currently produces 500 units of a good X and 300 of a good Y using its resources. In the following week it decides to produce 600 units of X and 250 Y. What is the opportunity cost of the decision to produce 100 more units of X. 2. In the diagram below, country A is currently producing at point A. What would be the opportunity cost of a decision to reallocate its resources to produce at point B so it could produce more cheese.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.