The Tall Tree Lumber Corporation's 2015 income statement shows an EBIT of $5,280,000, a tax rate of 35 percent, and a depreciation expense of $980,000. The company's fixed assets increased by $2,100,000 in 2015, its current assets grew $1,800,000, and spontaneous current liabilities increased by $850,000. What was the firm's 2015 free cash flow?