Simon Company's year-end balance sheets follow. At December 31 2017 2016 2015 Assets $ 30,400 $ 35,750 $ 37,800 63,500 81,600 9,500 Cash Accounts receivable, net Merchandise inventory Prepaid expenses Plant assets, net 86,200 112,500 10,800 280,000 257,500 49,000 53,000 5,400 228,000 Total assets $519,900 $447,850 $373,200 Liabilities and Equity Accounts payable Long-term notes payable secured by mortgages on plant assets Common stock, $10 par value Retained earnings $128,000 $ 74,750 $ 50,400 97,000 162,000 132,900 101,000 162,000 110,100 81,200 162,000 79,600 Total liabilities and equity $519,900 $447,850 $373,200 The company's income statements for the years ended December 31, 2017 and 2016, follow. For Year Ended December 31 2017 2016 Sales $675,000 $ 610,000 Cost of goods sold Other operating expenses Interest expense $384,300 146,400 12,900 8,700 $418,500 202,500 11,400 9,400 Income taxes Total costs and expenses 641,800 $ 33,200 552,300 Net income $57,700 Earnings per share 2.05 3.56 Evaluate the company's efficiency and profitability by computing the following for 2017 and 2016. (1) Profit margin ratio. Profit Margin Ratio Choose Numerator: Choose Denominator: Profit Margin Ratio %D Profit margin ratio %D 2017 % %3D 2016 % %D (2) Total asset turnover. Total Asset Turnover Choose Numerator: I Choose Denominator: Total Asset Turnover %3D Total asset turnover 2017 times %3D 2016 times II (3) Return on total assets. Return On Total Assets Choose Numerator: I Choose Denominator: Return On Total Assets Return on total assets 2017 % 2016 % %3D II II