QUESTION 9 Selected information from Coleman Inc.'s income statements for three years is indicated below: 2018 2017 2016 Net sales $225,800 $220,900 $219,696 123.775 126,765 125,489 Cost of goods sold Income from operations 1,200 92 (7,495) (7,750) Net income 1,050 840 Instructions (a) Calculate the gross profit margin for each year and comment on any trend in the percentages. (b) Calculate the profit margin for each year and comment on any trend in the percentages