Inventory Turnover and Days Sales in Inventory The Southern Company installed a new inventory management system at the beginning of 2015. Shown below are data from the companys accounting records as reported out by the new system: 2015 2016 Sales Revenue $8,000,000 $11,000,000 Cost of Goods Sold 4,000,000 4,800,000 Beginning Inventory 510,000 530,000 Ending Inventory 530,000 600,000