Based on the following data for the current year, what is the inventory turnover? Net sales on account during years $500,000 Cost of merchandise sold during year 300,000 Accounts receivable, beginning of year 45,000 Accounts receivable, end of year 35,000 Inventory, beginning of year 90,000 Inventory, end of year 110,000 a. 3.0 b. 2.7 c. 4.0 d. 3.3