20Y7 20Y6 Cost of goods sold $3,576,270 $3,961,710 Inventories: Beginning of year 744,600 722,700 End of year 810,300 744,600 Required a. Determine the inventory turnover for 20Y7 and 20Y6. Round to one decimal place. 20Y7 20Y6 Inventory turnover b. Determine the number of days sales in inventory for 20Y7 and 20Y6. Use 365 days and round to one decimal place. 20Y7 20Y6 Number of days sales in inventory days days c. Are the changes in inventory turnover and the number of days sales in inventory from 20Y6 to 20Y7 favorable or unfavorable?