Compare the 2 companies days inventory ratios for 2016. i need to convert the companies cost sales and inventory to a common inventory costing method. Which company is more efficient with this inventory?

The January 28, 2017 (fiscal year 2016) financial statements of Caleres, Inc. reported the following information (in thousands): Caleres, Inc. 2016 2015 Cost of sales $1,517,397 $1,529,527 Inventories, net 585,764 546,745 LIFO reserve 4,345 4.094 The footnotes to the 2016 financial statements of Skechers U.S.A., Inc., a competitor of Caleres, Inc., reported that the company uses the FIFO method of accounting for inventories. Financial statements reported the following (in thousands): Skechers U.S.At, Inc. 2016 2015 Cost of sales $1,928,715 $1,723,315 Inventories, net 700,515 620,247 Compare the two companies' days-inventory-outstanding ratios for 2016. To do this properly, you will need to convert the companies cost of sales and inventories to a common inventory costing method. Which company is more efficient with its inventory