Find online the annual 10-K report for Costco Wholesale Corporation (COST) as of August 29, 2021. a. Compute Costco's net profit margin, total asset tumover, and equity multiplier. b. Verify the DuPont Identity for Costco's ROE, c. If Costco's managers wanted to increase its ROE by 1.0 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 \%. (Round to two decimal places.) The total asset tumover is (Round to two decimal places.) The equity multiplier is (Round to two decimal places.) b. Verify the DuPont Identity for Costco's ROE. The ROE is %. (Round to two decimal places.) c. If Costco's managers wanted to increase its ROE by 1.0 percentage point, how much higher would their asset turnover need to be? The total assets turnover should be (Round to two decimal places.) The total asset turnover should be (Round to two decimal places and select from the drop-down menu.)