Hook Industries's capital structure consists solely of debt and common equity. It can issue debt at r_d = 10%, and its common stock currently pays a $3.50 dividend per share (D₀ = $3.50). The stock's price is currently $27.00, its dividend is expected to grow at a constant rate of 4% per year, its tax rate is 25%, and its WACC is 12.15%. What percentage of the company's capital structure consists of debt? Do not round intermediate calculations. Round your answer to two decimal places.