Calculate the risk premium for each of the following rating classes of long-term securities, assuming that the yield to maturity (YTM) for comparable Treasuries is 4.59%. (Click on the icon here .. in order to copy the contents of the data table below into a spreadsheet.) Rating class AAA BBB B Nominal interest rate 5.02% 6.04 7.71 The risk premium for securities class AAA is %. (Round to two decimal places)