Silvia's Corporation is getting a bank loan of $70 million. The maturity of this loan is 18 years and the interest will be 10% per year compounded monthly but the payments will be annual (one payment per year to the bank). Given that the aggregate corporate tax rate for this company is 27%, compute this loan's after tax cost of capital for Silvia's corporation. Write your answer as percentage (e.g. if your answer is 5%, write 5 not 0.05). round your answer to two decimal places.