If the price of wheat is $25/bushel in the United States and $20/bushel in Canada, all of the following would tend to equalize prices EXCEPT
◦ when the U.S. imposes a tariff on Canadian wheat.
◦ the Canadian dollar will appreciate.
◦ when the domestic price of U.S. wheat falls.
◦ the U.S. dollar will depreciate.
◦ when the domestic price of Canadian wheat rises.