Need accounting help with long term liabilities

Use the Internet to research companies like Philip Morris International, Medtronic Inc., Plains All American Pipeline LP, and Simon Properties Group that all sold 30-year bonds in 2012 in an effort to extend their debt, lock in low interest rates, and take advantage of investor demand. Then, determine the principal advantages and disadvantage of issuing 30-year bonds over 5-year bonds for the companies you researched. Provide support for your response.