A company had total revenues of $500 million, operating margin of 40%, and depreciation and amortization expense of $80 million over the trailing twelve months. The company currently has $600 million in total debt and $100 million in cash and cash equivalents. If the company's market capitalization (total value of its equity) is $2 billion, what is its EV/EBITDA multiple? Round to two decimal places (Assume EBIT = Operating income).