A company had total revenues of $64 million, operating margin of 20.0%, and depreciation and amortization expense of $11 million over the trailing twelve months. The company currently has $264 million in total debt and $66 million in cash and cash equivalents. The company's shares are currently trading at $34.2 per share and there are 14 million shares outstanding. What is its EV/EBITDA ratio? Round to one decimal place.