Find online the annual$10-$K report for Costco Wholesale Corporation$($COST$)$ as of September$1,2019.$

a$.$ Compute$$ Costco's net profit$$ margin, total asset$$ turnover, and equity multiplier.

b$.$ Verify the DuPont Identity for$$ Costco's ROE.

c$.$ If$$ Costco's managers wanted to increase its ROE by $1$ percentage$$ point, how much higher would their asset turnover need to$$ be$?$

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Part $1$

a$.$ Compute$$ Costco's net profit$$ margin, total asset$$ turnover, and equity multiplier.

The net profit margin is

$$

enter your response here$\%.$