Information on Lightning Power Company, is shown below. Assume the company's tax rate is $23$ percent.

Debt:

Common stock:

Preferred stock:

Market:

$17,8006\mathrm{.}1$ percent coupon bonds outstanding, $$1,000$ par value, $21$ years

to maturity, selling for $107\mathrm{.}4$ percent of par; the bonds make

semiannual payments.

$600,000$ shares outstanding, selling for $$84\mathrm{.}25$ per share; beta is $1\mathrm{.}20.$

$26,500$ shares of $4\mathrm{.}35$ percent preferred stock outstanding, currently

selling for $$92\mathrm{.}30$ per share. The par value is $$100.$

$6\mathrm{.}6$ percent market risk premium and $3\mathrm{.}2$ percent risk$-$free rate.

What is the company's cost of each form of financing?

Note: Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

Calculate the company's WACC.

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$