Hollydale's will issue an additional $8,000$ bonds with the help of an investment banker. The bonds will be semiannual bonds with a maturity of $24$ years. The coupon rate will be $10\mathrm{.}5\%,$ and the par value $$$$1,000.$ These bonds will be sold at $$$$1,338\mathrm{.}56$ in the$$ market, but the investment banker will receive a $5\mathrm{.}5\%$ commission on the sold bonds. The original bonds have $12$ years to maturity and are$$ semiannual, with a coupon rate of $9\mathrm{.}5\%$ and a price of $$$$1,200\mathrm{.}73.$ There are $19,000$ bonds outstanding from this senior issue. What is the new cost of capital for$$ Hollydale's if the company still has $480,000$ shares outstanding selling at $$$$20\mathrm{.}37$ with an annual dividend growth rate of $3\mathrm{.}0\%$ and the last annual dividend of $$1\mathrm{.}20?$ The tax rate remains at $30\%.$

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Part $1$

What is the adjusted WACC for$$ Hollydale's if the corporate tax rate is $30\%?$

enter your response here$\%($Round to two decimal$$ places.$)$