Olympic Sports has two issues of debt outstanding. One is an $8\%$ coupon bond with a face value of $$24$ million, a maturity of $15$ years, and a yield to maturity of $9\%.$ The coupons are paid annually. The other bond issue has a maturity of $20$ years, with coupons also paid annually, and a coupon rate of $9\%.$ The face value of the issue is $$29$ million, and the issue sells for $96\%$ of par value. The firm's tax rate is $30\%.$

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

b$.$ 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.

a$.$ Before$-$tax cost of debt

b$.$ After$-$tax cost of debt

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