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

Corporate taxes are $21\%.$ The firm is financed with the following securities:

Common Equity:

$4300000$ shares

price per share $=$ $$42$

$\backslash$beta $=0\mathrm{.}85,$ Mkt Risk Premium $=3\%,$ Risk$-$free rate $=5\%.$

Debt:

$180000$ bonds

face value per bond $=$ $$1000$

market price per bond$=$ $$1080$

coupon rate $=4\%,6$ years to maturity $($assume semi$-$annual payment$)$