What is the weighted$-$average cost of capital for SKYE

Corporation given the following information?Equity shares outstanding $1$ millionStock price per share $ $32$Yield to maturity on debt $7\mathrm{.}68\%$Book value of interest$-$bearing debt $$17$ millionCoupon interest rate on debt $9\%$Interest rate on government bonds $3\%$SKYE$$s equity beta $0\mathrm{.}75$Historical excess return on stocks $6\mathrm{.}7\%$Tax rate $45\%$Weighted$-$average cost of capital$$

$?\%$