Using Inventory Analysis Tools AutoZone and O'Reilly are two competitors in the retail automotive parts industry. AutoZone O'Reilly Average 2015 Inventory $3,310,865 $2,622,899 2015 Sales 10,420,671 8,200,005 2015 Cost of goods sold 4,860,309 3,804,031 Average 2014 Inventory 3,030,554 $2,494,915 2014 Sales 9,708,644 7,449,412 2014 Cost of goods sold 4,540,406 3,507,180 Use the information above to compute the companies' gross profit margin and days inventory outstanding for both years. Round answers to one decimal place (ex: 0.2345 = 23.5%). Gross Profit Margin AutoZone O'Reilly 2015 2014 Round to answers to one decimal place. Days Inventory Outstanding AutoZone O'Reilly 2015 2014