Not complete Marked out of 1.00 P Flag question Calculating Gross Profit Margin and Inventory Turnover The following table presents sales revenue, cost of goods sold, and inventory amounts three retailers of fine jewelry. Tiffany& Co., Zale Corporation, and Blue Nile, Inc. (an Internet retailer). (S millions) Tiffany & Co. 2013 2012 Revenues $3,831 $3,694 1,591 2,252 2,169 Cost of goods sold 1,641 Inventory Zale Corporation Revenues Cost of goods sold Inventory 1,838 $1,827 866 763 732 854 Blue Nile, Inc. Revenues Cost of goods sold Inventory 445 $360 285 23 316 30 a. Compute the gross profit margin (GPM) for each of these companies for 2013 and 2012. Tiffany Zale 2013 2012 2013 2012 Gross profit Gross profit margin (GPM) 96 96 96 b. Compute the inventory turnover ratio and the average inventory days outstanding for 2013 for each company. Do not round until your final answer Round inventory turnover to one decimal place. Round average inventory days