Quarles Industries had the following operating results for 2015: sales = $28,860; cost of goods sold = $19,510; depreciation expense = $5,060; interest expense = $2,340; dividends paid = $1,200. At the beginning of the year, net fixed assets were $17,130, current assets were $5,810, and current liabilities were $3,320. At the end of the year, net fixed assets were $20,410, current assets were $7,360, and current liabilities were $3,930. The tax rate for 2015 was 34 percent.