You Are Interning at a Financial Services Firm and Have

You are interning at a financial services firm and have been asked to evaluate the performance of two major department stores.The following information (in millions)is available for Walmart and Nordstrom for the most recent fiscal periods available:
Walmart
$\begin{array}{lrr}\text { Net sales } & \$ 405,046& \text { Beginning accounts receivable } & \$ 4,144 \\\text { Gross profit } & 100,389& \text { Ending accounts receivable } & 3,905 \\\text { Operating income } & 23,950 \\\text { Net income } & 14,848\end{array}$
Nordstrom
$$\begin{array} { l r r } \text { Net sales } & \$ 8,627& \text { Beginning accounts receivable } & \$ 1,942 \\\text { Gross profit } & 3,299 &\text { Ending accounts receivable } & 2,035 \\\text { Operating income } & 834 & \\\text { Net income } & 441 & \\\hline\end{array}$$
Compute the (1)gross profit margin,(2)operating margin,(3)net profit margin,and (4)accounts receivable turnover for the two companies and indicate which company has performed better.