The following data is available for Monday Corp.:

Credit Sales, For the Year Ending December 31, 2013 Credit Sales, For the Year Ending December 31, 2012 Accounts Receivable, December 31, 2013 Accounts Receivable, December 31, 2012 Accounts Receivable, December 31, 2011 Cost of Goods Sold, For the Year Ending December 31, 2013 Cost of Goods Sold, For the Year Ending December 31, 2012 Inventory, December 31, 2013 Inventory, December 31, 2012 Inventory, December 31, 2011 $999 $800 $95 $70 $60 $399 $336 $20 $60 $50 What is the inventory turnover for Monday Corporation in 2013? Has the inventory turnover improved or not improved since 2012? O a. 10.0, improved O b. 10.0, unknown O c. 10.0, not improved O d. 30.0, improved O e. 30.0, not improved