By default, your financial calculator only shows two decimal places. However, for calculations involving interest rates, you should keep at least 5 decimal places. Otherwise, you may get tremendous accumulative rounding errors. To let your calculator display 5 decimal places, enter 2ND FORMAT 5 ENTER 2ND QUIT. Question: Suppose the current annual interest rate for student loans is 4.58%. You were granted a 5.1% discount on the interest rate. That is, for the same principal, your per period interest payment is 5.1% less than others'. Your effective annual interest rate is % (please keep at least five decimal places for this answer). [Hints/Example]