Calculate the risk premium for each of the following rating classes of long-term securities, assuming a 4.69% yield to maturity (YTM) for comparable Treasuries. (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) Rating class Nominal interest rate AAA 5.15% BBB B 5.26 7.51 The risk premium for securities class AAA is The risk premium for securities class BBB is %. (Round to two decimal places) %. (Round to two decimal places) The risk premium for securities class B is %. (Round to two decimal places)