Wells water systems recently reported $8,250 of sales, $4,500 of operating costs other than depreciation, and $950 of depreciation. the company had no amortization charges, it had $3,250 of outstanding bonds that carry a 6.75% interest rate, and its federal-plus-state income tax rate was 35%. in order to sustain its operations and thus generate sales and cash flows in the future, the firm was required to spend $750 to buy new fixed assets and to invest $250 in net operating working capital. how much free cash flow did wells generate?