Zigs Industries had the following operating results for 2015: sales = $25208; cost of goods sold = $19969; depreciation expense = $4232; interest expense = $2292; dividends paid = $1659. At the beginning of the year, net fixed assets were $17443, current assets were $5710, and current liabilities were $3566. At the end of the year, net fixed assets were $20327, current assets were $7787, and current liabilities were $3995. The tax rate for 2015 was 31 percent. What is operating cash flow (OCF) for 2015?