The following selected information is available for Sobeys Inc.: (in S millions) Net sales Cost of goods sold Net income 2012 $16,022 12,148 335 2011 $15,738 11,893 325 Instructions (a) Loblaw is approximately twice the size of Sobeys (based on net sales) and Metro is somewhat smaller than Sobeys. Can a comparison of the financial results of these three companies be meaningful? (b) Calculate the gross profit margin and profit margin for Sobeys for 2012 and 2011. (c) Using the ratios calculated in part (b), compare the gross profit margin and profit margin with that of Loblaw, Metro, and their industry found in Illustrations 5-8 and 5-9 in the chapter. Please give me Answer to part B only