Canada could impose countermeasures on up to C$150 billion ($105 billion) worth of U.S. imports if President-elect Donald Trump puts tariffs on Canadian goods and services, a source familiar with the matter said on Wednesday.

Trump's proposed move would be crippling for the economy, given Canada sends 75% of all goods and services exports to the United States. "Nothing can be off the table if the U.S. continues to choose to move forward with these punishing tariffs,