please help step by step to find EV/EBITDA I got 20.726

Edelman Engines has $18 billion in total assets - of which cash and equivalents total $100 million. Its balance sheet shows $2.7 billion in current liabilities of which the notes payable balance totals $0.99 billion. The firm also has $9 billion in long-term debt and $6.3 billion in common equity. It has 300 million shares of common stock outstanding, and its stock price is $26 per share. The firm's EBITDA totals $0.936 billion. Assume the firm's debt is priced at par, so the market value of its debt equals its book value. What are Edelman's market/book and its EV/EBITDA ratios? Do not round intermediate calculations. Round your answers to two decimal places. M/B: 1.238 x EV/EBITDA: 20.73