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You have gathered this information on a firm: $500,000 sales, $10,000 cash dividends, $300,000 cost of goods sold, $20,000 administrative expense, $20.000 deoreciaticn expense, $40,000 interest expense, $40,000 purchase of productive equipmert, no changes in wonking capital, and a tax rate of 21%. What is the free cash flow? \&