Ivanhoe Corporation reported EBITDA of $7,300,425 and net income of $3,329,150 for the fiscal year ended December 31, 2017. During the same period, the company had $1,155,380 in interest expense, $1,023,287 in depreciation and amortization expense, and an average corporate tax rate of 35 percent. What was the cash flow to investors from operating activity during 2017?