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Compute for 2018 and 2017 the (1) profit margin, (2) asset turnover, (3) return on assets, and (4) return on common stockholders' equity. Total assets at September 24,2016 , were $321,686 million and total stockholders' equity at September 24,2016 , was $128,249 million. (To satisfy this requirement you must access information for interest expense. This information is provided in the complete annual report available on the company's website.) (Round Percentages to 1 decimal places, es. 15.2% and times to 2 decimal places, eg. 15.25J Compute for 2018 and 2017 the (1) profit margin, (2) asset turnover, (3) return on assets, and (4) return on common stockholders' equity. Total assets at September 24,2016 , were $321,686 million and total stockholders' equity at September 24,2016 , was $128,249 million. (To satisfy this requirement you must access information for interest expense. This information is provided in the complete annual report available on the company's website.) (Round Percentages to 1 decimal places, es. 15.2% and times to 2 decimal places, eg. 15.25J