expense to sales ratio for each company. ue t sales ratio and the selling. general Compare the relative profitability of these pharmaceutical companies ring Profitability and Turnover Ratios for Retail Companies c. ected financial statement data for Best Buy Co., Inc. The Kroger Co. Nordstrom, Ine. LO3 Inc. , and Walgreen Co. is presented in the following table: S millions Sales Cost of sales31.292 Best Buy Co, Inc Best Buy Kroger Nordstrom Staples Walgreern The Kroger Co 85,512 8,40616,69154,823 156 1,932 2,925 6,464 1,788 12,198 29,919 8,91010,74436.332 NYSE:KR Nordstrom, Inc. NYSE:JWN Staples, Inc NASDAG:SPLS Walgreen Co. 1,233 1,294 447 5,6702,489 17,403 3,145 488 1,728 1,191 138 720 135 1,883 2,236 Average receivables. YSE WAG 5,6701,632 Average PP&E ....2,447 Average total assets....14,635 REQUIRED Compute return on assets (ROA) profit margin (PM) and asset turnover (AT) for each com- pany. Discuss the relative importance of PM and AT for each company a