.9 percent . commercial paper devon has access to $ 3.0 billion of short-term credit under its commercial paper program . commercial paper debt generally has a maturity of between 1 and 90 days , although it can have a maturity of up to 365 days , and bears interest at rates agreed to at the time of the borrowing . the interest rate is generally based on a standard index such as the federal funds rate , libor or the money market rate as found in the commercial paper market