Sheffield Corp Tamarisk, Inc. Sales revenue $100,000 $ 6,000 Sales returns and allowances Net sales Cost of goods sold 94,000 116,000 64,860 Gross profit 38,280 16,920 Operating expenses Net income 17.400 Calculate the profit margin and the gross profit rate for each company. (Round answers to decimal places, eg. 15%) Sheffield Corp. Tamarisk, Inc. Profit margin %6 % Gross profit rate % % e Textbook and Media