Quarles Industries had the following operating results for 2015: sales = $29,220; cost of goods sold = $19,560; depreciation expense = $5,100; interest expense = $2,490; dividends paid = $1,250. At the beginning of the year, net fixed assets were $16,880, current assets were $5,820, and current liabilities were $3,360. At the end of the year, net fixed assets were $20,460, current assets were $7,360, and current liabilities were $3,940. The tax rate for 2015 was 30 percent.