Selected data from Thornton Company follow: Balance Sheets As of December 31 Accounts receivable Allowance for doubtful accounts Net accounts receivable 2018 $405,000 (20, 250) $384,750 2017 $379,000 (15,160) $363,840 Inventories, lower of cost or market $477,500 $448,000 Income Statement For the Years Ended December 31 2018 Net credit sales $2,004,000 Net cash sales 409,000 Net sales 2,413,000 Cost of goods sold 1,608,000 Selling, general, and administrative expenses 240,900 Other expenses 40,900 Total operating expenses $1,889,800 2017 $1,751,000 304,000 2,055,000 1,440,000 214,500 23,400 $1,677,900 Required a. Compute the accounts receivable turnover for 2018. b. Compute the inventory turnover for 2018. c. Compute the net margin for 2017. (For all requirements, round your answers to 2 decimal places.) times a. Accounts receivable turnover b. Inventory turnover c. Net margin times