Check the monthly balance sheet of the Bank of Canada and name and explain two assets and two liabilities that constitute the biggest part of the assets and liabilities in the current balance sheet of the Bank of Canada. How did they change during the COVID-19 pandemic? What do these changes mean for the supply of money in Canada? How did the entire balance sheet change at the beginning of the COVID-19 pandemic?

Link for the data:

https://www.bankofcanada.ca/rates/banking-and-financial-statistics/bank-of-canada-assets-and-liabilities-month-end-formerly-b1/