Facts: The government of Ontario is elected with a majority government in June 2022. Given this new mandate, they want to address the growing concern of imports from other provinces and countries into Ontario. The provincial government decides to do by imposing a requirement on all businesses to include a label on their product, which will indicate whether a product is "Made in Ontario" or "NOT Made in Ontario." The legislation they intend to pass will even require this label to be placed on top of any other markings of goods brought into the province, including any markings or labels imposed by the federal government. Sharlene runs a small business that imports most of her pickled salmon from B.C., and worries that these labels will hurt her sales. Questions: A) What is the best constitutional argument Sharlene can use against this law? (1 mark) B) Explain why this is the best reason, and how courts will deal with any competing interests of the federal government. (4 marks)