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Wildhorse Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2015 and 2016 follow. Wildhorse Medical Comparative Balance Sheet As of December 31 2016 2015 Assets Current assets $384,000 $417,450 Cash Accounts receivable, net 1,067,000 776,450 734,000 Inventory 681,100 247,000 Other current assets 383,000 Total current assets 2,568,000 2.122.000 9,499,685 Property, plant, & equipment, net 8,371,345 $12,067,685 $10,493,345 Total assets Liabilities and Stockholders' Equity Current liabilities $2,846,000 $3,121,000 Long-term debt 3,702,650 3,892,650 6,738,650 Total liabilities 6,823,650 Preferred stock, $5 par value 51.600 51,600 Common stock, $0.25 par value 179,000 103,900 3,599,195 Retained earnings 5,013,435 5,244,035 Total stockholders' equity 3,754,695 $12,067,685 $10,493,345 Total liabilities and stockholders' equity Wildhorse Medical Comparative Income Statement and Statement of Retained Earnings For the Year 2016 2015 Sales revenue (all on account) $10,080,000 $9,613,900 Cost of goods sold 4,175,000 5,298,800 Gross profit 5,905,000 4,315,100 Operating expenses 2,840,300 2,634,150 1,680,950 Net operating income 3,064,700 308,600 Interest expense 388,000 Net income before taxes 2,676,700 1,372,350 Income taxes (30%) 803,010 411,705 $1,873,690 $960,645 Net income Dividends paid Preferred dividends 29,450 29,450 Common dividends 430,000 447,000 Total dividends paid 459,450 476,450 484,195 Net income retained 1,414,240 3,599,195 3,115,000 Retained earnings, beginning of year Retained earnings, end of year $5,013,435 $3,599,195 Calculate the following profitability ratios for 2016. (Round answers to 1 decimal place, e.g. 50.1%.) 58.58 % Gross margin percentage a. Return on assets b. 41.46 Return on common stockholders' equity C