Nicholas Health Care Systems recently reported an EBITDA of $30.0 million and net income of $15.8 million. It had $4.0 million of interest expense, and its federal tax rate was 21% (ignore any possible state corporate taxes). What was its charge for depreciation and amortization? Enter your answer in dollars. For example, an answer of $1.2 million should be entered as 1,200,000. Round your answer to the nearest dollar