5. International trade can be beneficial for a nation's economy, while barriers to trade can hinder economic growth. Canada has significant barriers to trade between provinces. A 2016 study concludes that interprovincial trade barriers cost Canadians $100 billion per year. In certain cases, it is cheaper for Canadian companies to trade with the United States than with other Canadian provinces. Using your research skills, find five examples of concrete and specific barriers to Canadian interprovincial trade. Be sure to cite your sources. (15%)