Firms in Country C sell machine tools at home and overseas. They improve the reliability of the tools and their after-sales service, while prices relative to overseas rivals remain unchanged. Which change in Country C's trade is most likely to follow?
Exports of machine tools are unchanged and imports of machine tools fall.
Exports of machine tools rise and imports of machine tools are unchanged.
Exports of machine tools rise and imports of machine tools fall.
Exports and imports of machine tools are both unchanged.