Inventory turnover and number of days' sales in inventory Financial statement data for years ending December 31 for Tango Company follow: Required a. Determine the inventory turnover for 20Y7 and 20Y6. Round to one decimal place. b. Determine the number of days' sales in inventory for 20Y7 and 20Y6. Use 365 days and round to one decimal place. c. Are the changes in inventory turnover and the number of days' sales in inventory from 20O6 to 20Y7 favorable or unfavorable? Gross Profit Method Based on the following data, estimate the cost of the ending inventory: Estimated Cost of Ending Inventory