Asset management ratios are important - firms need to manage assets efficiently because capital obtained to acquire those assets is expensive. These ratios include the: (1) Inventory turnover ratio, (2) Days sales outstanding, (3) Fixed assets turnover, and (4) Total assets turnover. The inventory turnover ratio indicates how many times during the year inventory is -Select- and restocked. Its equation is: Excess inventory is unproductive and represents an investment with a -Select- rate of return. An alternative definition of the inventory turnover ratio replaces sales in the numerator with -Select- . The rationale for this measurement is that inventory is carried at cost, so sales in the numerator overstates the true inventory turnover ratio. The days sales outstanding (DSO) ratio is also called the average collection period (ACP). Its equation is: