A bank just offered you a $600,000 mortgage at a quoted rate of 3.5%. If the mortgage calls for payments to be made monthly based on a a 20 year amortization period, who discount rate would you use in the annuity present value formula to find the amount of your payments? Do not round intermediate calculations Round the final answer to 2 decimal places. Omit the sign in your response. For example, an answer of 15.39% should be entered as 15.39