Preston Corp. is estimating its WACC. Its target capital structure is $20$ percent debt, $20$ percent preferred stock, and $60$ percent common equity. Its bonds have a $12$ percent coupon, paid semiannually, a current maturity of $20$ years, and sells for $$1,100.$ The firm could sell, at par, $$100$ preferred stock which pays a $8\mathrm{.}62$ percent annual dividend, but flotation costs of $5$ percent would be incurred. Preston's beta is $1\mathrm{.}2,$ the risk$-$free rate is $3$ percent, and the market risk premium is $5$ percent. The firm's marginal tax rate is $40$ percent.

What is the cost of equity?

What is the cost of preferred stock?

What is the cost of Debt?

What is the weight$\%$ of equity?

What is the weight$\%$ of preferred stock?

What is the weight of debt?

What is Preston's WACC?