Find online the annual​ 10-K report for Costco Wholesale Corporation​ (COST) for fiscal year 2015​ (filed in October​ 2015). a. Compute​ Costco's net profit​ margin, total asset​ turnover, and equity multiplier.
b. Verify the DuPont Identity for​ Costco's ROE.
c. If​ Costco's managers wanted to increase its ROE by 1.6 percentage​ point, how much higher would their asset turnover need to​ be?
a. Compute​ Costco's net profit​ margin, total asset​ turnover, and equity multiplier.
The net profit margin is