Sales Cost of goods sold Gross margin Selling and administrative expenses: This Year Last Year 100.0 % 100.0 % 64.0 % 63.1 % 36.0 % 36.9 % Selling expenses 18.7 % 19.3 % Administrative expenses 9.6 % 10.9 % Total selling and administrative expenses 28.3 % 30.2 % Net operating income 7.7 % 6.7 Interest expense 1.3 % 1.5 Net income before taxes 6.4 % 5.2 752 % % %