Estimate your firm$$s Weighted Average Cost of Capital. Assume that the current risk$-$free rate of interest is $3\mathrm{.}8\%,$ the market risk premium is $5\mathrm{.}5\%,$ and the corporate tax rate is $21\%.$

$$ Debt:

$$ Total book value: $$13$ million

$$ Total market value: $$18$ million

$$ Coupon rate: $4\%$

$$ Yield to Maturity: $4\%$

$$ Common Stock:

$$ Total book value: $$10$ million

$$ Total market value: $$19$ million

$$ Beta $=0\mathrm{.}9$

$$ Preferred Stock:

$$ Total book value: $$4$ million

$$ Total market value: $$6\mathrm{.}6$ million

$$ Price per share: $$20$

$$ Dividend per share: $$1$

What is your firm$$s Weighted Average Cost of Capital $($input as a raw number rounded to the $4$ decimal places, i$.$e$.$ if your answer is $7\mathrm{.}1356\%,$ input $7\mathrm{.}1356)?$