What are the highest and lowest historical interest rates for commercial paper in Canada? Go to the Bank of Canada website at bankofcanada.ca and follow the link “Rates and Statistics,” then “Canadian Interest Rates” and “Selected Historical Interest Rates.” Find the highest and lowest interest rates for one-month and three-month prime corporate paper. What are they and when did they occur? What implications do these rates have for short-term financial planning and liquidity management?