Tamarisk, Inc. reported the following in its 2017 and 2016 income statements. 2017 2016 Net sales Cost of goods sold Operating expenses $230,000 135,700 59,590 17,000 $ 17,710 $140,000 82,600 23,220 8,000 $ 26,180 Income tax expense Net income Determine the company's gross profit rate and profit margin for both years. (Round profit margin answers to 1 decimal place, e3.52.7.) 2017 2016 Gross profit rate Profit margin