Based on the following data for the current year, what is the number of days' sales in inventory (rounded to one decimal place)? Assume 365 days a year. Sales on account during year $599,107 Cost of goods sold during year 198,668 Accounts receivable, beginning of year 43,859 Accounts receivable, end of year 54,283 Inventory, beginning of year 35,816 Inventory, end of year 44,174 a. 81.2 b. 147.0 c. 73.5 d. 65.8