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lululemon athletica inc. reported the following information (in USS thousands) for the three fiscal years ended: January 28, 2018 January 29, 2017 Net sales $2,649,181 $2,344,392 January 31, 2016 $2,060,523 1,063,357 1,250,391 1,144.775 Cost of goods sold Profit from operations 456,001 421,152 369,076 Profit 258,662 303,381 266,047 Calculate the gross profit margin and profit margin for lululemon for each of the three years. (Round answers to 1 decimal place, es 52.7%) 2018 2017 2016 96 Gross proht margin 96 Profit margin 96 96 % Recalculate profit margin using profit from operations as opposed to profit. (Round answers to 1 decimal place, eg. 52.7%) 2018 2017 2016 Profit margin (Profit from operations) % % % Comment on whether the ratios improved or weakened over the three years. Gross profit margin Profit margin Profit margin (Profit from operations)