KPC Electrics has $9$ million shares of common stock outstanding, $250,000$ shares of preferred stock outstanding, and $105,000$ semiannual bonds outstanding, par value $$1,000$ each. The bonds have a $7\mathrm{.}5\%$ coupon, $15$ years to maturity, and sell for $93\%$ of par. It's preferred stock price is $$36$ with a fixed dividend of $$3.$ The company uses DCF approach $($constant growth model$)$ to determine the cost of equity. KPC$\text{'}$s common stock currently trades at $$40$ a share. The year$-$end dicidend $($D$1)$ is expected to be $$2$ per share, and the dividend is expected to grow forever at a constant gwo rate of $6\%$ per year. The company's tax rate is $40\%.$ A$.)$ What is the company's cost of debt $($RB$).$ B$.)$ What is the company's cost of preffered stock $($Rp$)?$ C$.)$ What is the company's cost of equity $($RE$)?$ D$.$ What is the company's weighted average cost of capital WACC?