A company issued $$20$ million of face value bonds, with a coupon rate of $4\%$ payable semi$-$annually. The maturity date on the bonds is in $10$ years. The bonds were sold in the market and proceeds of $$20,197,358\mathrm{.}09$ were received by the company. Calculate Yield To Maturity $($Market Rate$).$

Enter your answer using two decimal places and with a $\%$ sign. For example $12\mathrm{.}34\%$