the percentage change in those sales resulting from exchange rate changes. a. What was the percentage change in sales, in U.S. dollars, by region? b. What were the percentage changes in sales by region net of currency change impacts? c. What impact did currency changes have on the level and growth of consolidated sales between 2001 and 2004 ? a. What was the percentage change in sales, in U.S. dollars, by region? Calculate the percentage change in sales, in U.S. dollars, by region below: (Round to one decimal place.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.)