Sandhill Corporation recently reported an EBITDA of $29.90 million and net income of $9.7 million. The company had $6.8 million in interest expense, and it's average corporate tax rate was 35 percent. What was its depreciation and amortization expense? (Round answer to 2 decimal places and enter your answer in dollars, e.g. 9,700,000.25)

Depreciation and amortization?