Selected data from emporia company follow: balance sheets as of december 31 2018 2017 accounts receivable $ 600,000 $ 480,000 allowance for doubtful accounts (40,000 ) (20,000 ) net accounts receivable $ 560,000 $ 460,000 inventories, lower of cost or market $ 500,000 $ 400,000 income statement for the years ended december 31 2018 2017 net credit sales $ 2,400,000 $ 1,950,000 net cash sales 600,000 450,000 net sales 3,000,000 2,400,000 cost of goods sold 1,800,000 1,520,000 selling, general, and administrative expenses 300,000 240,000 other expenses 80,000 50,000 total operating expenses $ 2,180,000 $ 1,810,000 required compute the accounts receivable turnover for 2018. compute the inventory turnover for 2018. compute the net margin for 2017. (for all requirements, round your answers to 2 decimal places.)