Brook$$s Window Shields Incorporated is trying to calculate its cost of capital for use in a capital budgeting decision. Mr$.$ Glass, the vice president of finance, has given you the following information and has asked you to compute the weighted average cost of capital. The company currently has outstanding a bond with a $10\mathrm{.}5$ percent coupon rate and another bond with a $7\mathrm{.}4$ percent coupon rate. The firm has been informed by its investment banker that bonds of equal risk and credit rating are now selling to yield $11\mathrm{.}5$ percent. The common stock has a price of $$82$ and an expected dividend $($D$1)$ of $$2\mathrm{.}60$ per share. The firm's historical growth rate of earnings and dividends per share has been $5\mathrm{.}0$ percent, but security analysts on Wall Street expect this growth to slow to $4$ percent in future years. The preferred stock is selling at $$78$ per share and carries a dividend of $$5\mathrm{.}20$ per share. The corporate tax rate is $35$ percent. The flotation cost is $3\mathrm{.}7$ percent of the selling price for preferred stock. The optimum capital structure is $25$ percent debt, $25$ percent preferred stock, and $50$ percent common equity in the form of retained earnings. Compute the cost of capital for the individual components in the capital structure. Note: Do not round intermediate calculations. Input your answers as a percent rounded to $2$ decimal places. $1)$ Debt, prefered stock, and common equity $2)$Calculate the weighted cost of each source of capital and the weighted average cost of capital.