Inventory Ratio Calculations Delroi, Inc. provided the following data for 2008 and 2009: nventory December 31, 2007 $200,000 December 31, 2008 190,500 December 31, 2009 182,000 Cost of goods sold 2008 2009 $664,000 728,000 aross margiN 2008 2009 $330,000 450,000 Round all calculations to two decimal places (a) Calculate the inventory turnover ratio for 2008 and 2009 2008 0 2009 0 x times x times (b) Calculate the gross margin return on inventory investment for 2008 and 2009 2008 0 2009 0