Catch$-$A$-$Match Dating Corporation has a target capital structure that calls for $40\%$ debt, $10\%$ preferred stock and $50\%$ common equity. The firm's current bonds have a before tax cost of debt of $5\mathrm{.}5\%$ and the firm is in the $40\%$ tax bracket. The firm can sell as much debt as it wishes at this rate. The firm's preferred stock currently sells for $$985$ a share and pays a dividend of $$120$ per share; however, the firm will pay flotation costs of $15\%$ per share. Catch$-$A$-$Match's common stock sells for $$40$ per share with flotation costs of $$8$ per share from the sale of new common stock. The firm recently paid a dividend of $$\mathrm{.}85$ per share on its common stock, and investors expect the dividend to grow indefinitely at a constant rate of $8\%$ per year. Assume the firm has sufficient retained earnings to fund the equity portion of its capital budget.

A$.$ What is the firm's cost of retained earnings?

B$.$ What is the firm's cost of newly issued common stock?

C$.$ What is the firm's cost of newly issued preferred stock?

D$.$ What is the firm's weighted average cost of capital?