You are given the following information: Stockholders' equity as reported on the firms balance sheet = $2.5 billion, price/earnings ratio = 10.5, common shares outstanding = 150 million, and market/book ratio = 2.2. The firm's market value of total debt is $5 billion, the firm has cash and equivalents totaling $290 million, and the firm's EBITDA equals $2 billion. What is the price of a share of the company's common stock? Do not round intermediate calculations. What is the firm's EV/EBITDA?