7. (16 points) In recent months the U.S. dollar has appreciated compared to all major foreign currencies. a) Carefully explain how the appreciation the U.S. dollar affects the competitive position of a California wine producer that sells a lot of wine to other countries, using 3 or more content rich sentences. b) Carefully explain how the appreciation the U.S. dollar affects the competitive position of a chain of U.S. Dollar Stores which import most of the products they sell in their stores from other countries, using 3 or more content rich sentences