Olympic Sports has two issues of debt outstanding. One is a $9\%$ coupon bond with a face value of $$38$ million, a maturity of $15$ years, and a yield to maturity of $10\%.$ The coupons are paid annually. The other bond issue has a maturity of $20$ years, with coupons also paid annually, and a coupon rate of $10\%.$ The face value of the issue is $$43$ million, and the issue sells for $93\%$ of par value. The firm's tax rate is $20\%.$

What is the before$-$tax cost of debt for Olympic?

What is Olympic's after$-$tax cost of debt?

Note: For all the requirements, do not round intermediate calculations. Enter your answers as a percent rounded to $2$ decimal places.