Staples, Inc. is one of the largest suppliers of office products in the United States. It had net income of $995.7 million and sales of $19,372.7 million in 2007. Its total assets were $8,397.3 million at the beginning of the year and $9,036.3 million at the end of the year. What is Staples, Inc.’s

(a) Asset turnover ratio and

(b) Profit margin ratio? (Round to two decimals.) Provide a brief interpretation of your results.