What is the cost of debt and retained earnings if the interest rate is $10$ per$-$cent, the federal corporate income tax rate is $30$ percent, the firm's anticipated growth rate is $12$ percent, the current dividend is $$0\mathrm{.}50,$ and price of the stock is $$12?$b$.$ What is the weighted$-$average cost of capital if the firm uses $24$ percent debt and $76$ percent equity?c$.$ If the firm has limited funds available, such as limited earnings and retained earnings, then additional funds will cost more. The firm has $$2,300,000$ in retained earnings, after which it will have to issue new shares. How much total funding can it obtain before it must issue addi tional shares if equity constitutes $76$ percent in the firm's capital structured. If the firm exhausts its retained earnings and must issue additional shares the cost of equity includes flotation costs. If these costs are $$1$ per shar what is the cost of new equity?e$.$ What is the firm's cost of capital if it must issue additional shares?