Zhou Co's income statement for January 2014 showed: Sales revenue of $370,000 with $28,000 in returns and discounts, leaving net sales of $342,000. Cost of goods sold was $212,000 with gross profit of $130,000. Operating expenses including freight, salaries, rent and insurance totaled $111,000, leaving income before tax of $19,000. After taxes of 25% the net earnings were $14,250, with a profit margin of 4.17% and gross profit rate of 38.01%.