Selected information for 2017 is: Cost of goods sold $28,200,000 2016 ending inventory $3,400,000 2017 ending inventory $3,650,000 Net sales $70,200,000 2016 ending receivables $3,390,000 2017 ending receivables $3,930,000 Net income $3,520,000 Assuming a 360-day year, what was the inventory turnover ratio for 2017? a. none of these b. 8 c. 7.73 d. 8.29 e. 45