Use the following income statements. LOCKEY FENCING CORPORATION Income Statements For the Years Ended December 31 2010 2009 Net sales $ 100,000 $ 75,000 Cost of goods sold 58,000 45,000 Gross profit 42,000 30,000 Selling, general, and administrative expenses 9,000 4,500 Income from operations 33,000 25,500 Interest expense 3,000 3,750 Income before income tax 30,000 21,750 Income tax expense 9,000 6,525 Net income $ 21,000 $ 15,225 (a) Calculate Net profit margin and Gross profit percentage. (Round your net profit margin answers to 1 decimal place. Omit the "%" sign in your response.) 2010 2009 Net profit margin % % Gross profit percentage % %