Hook Industries' capital structure consists solely of debt and common equity. It can issue debt at 10% interest rate, and its common stock currently pays a $2 dividend per share. The stock's price is currently $20, its dividend is expected to grow at a constant rate of 5 percent per year, its tax rate is 35 percent, and its WACC is 12 percent. 1. Calculate the cost of debt and the cost of common stock 2. What percentage of the company's capital structure consists of debt