The Gunther Company's capital structure consists of $74\%$ equity and $26\%$ debt. Gunther currently has a stock price of $$43,$ the company expects to pay a dividend next year of $$3\mathrm{.}0,$ and expects that the dividends will grow at a constant rate of $3\%$ per year forever. Gunther's debt is currently priced at $$1,000,$ has $21$ years to maturity, and has an annual coupon rate of $6\mathrm{.}0\%.$ Gunther has a tax rate of $20\%.$ Given this information, what is Gunther's WACC?