WXB Inc., whose tax rate is $25\%,$ has $6\mathrm{.}5$ MM preferred shares outstanding, priced at $$15($dividend $=$ $$1\mathrm{.}25),$ and $80MM$ common shares outstanding, priced at $$14.$ Its debt structure is bonds $(10-$year bonds, coupon rate $=6\%,$ issue$/$quoted price $=$$$920),$ totaling $$270$ MM$.$ WXB Inc.$\text{'}$s stock beta is $1\mathrm{.}5,$ and the underlying stock market's return $=10\%.$ If the risk$-$free rate $=4\%,$ what is $WxB$ Inc.$\text{'}$s weighted average cost of capital? Please show all work and formulas used in clean and easy to read manner