Matthias Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2019 and 2020 follow. 2019 Matthias Medical Comparative Balance Sheet As of December 31 2020 Assets Current assets Cash $397 220 Accounts receivable.net 906,800 Inventory 743.000 Other current assets 381 300 Total current assets 2.428,320 Property.plant & equipment. net 8.678,000 Total assets $11,106,320 $417 400 776,400 681.000 247 000 2.121,800 8.440,100 $10.561.900 Liabilities and Stockholders' Equity Current liabilities Long-term debt Total liabilities Preferred stock. $5 par value Common stock, 50.25 par value Retained earnings Total stockholders equity Total liabilities and stockholders' equity $2.934,700 3.700 600 6.685.300 58.900 104.600 4.807 520 4.471020 $11.106.820 $2.846.000 318921600 6.708,600 58.900 103.800 3.686.600 31823.800 S101561.900 Comparative Income Statement and Statement of Retained Earnings For the Year 2020 2019 Sales revenue (all on account) $10,177 200 $9.613,900 Cost of goods sold 5,411,800 5.298.700 Gross profit 4.765.400 4,315,200 Operating expenses 2.899.900 2,634 100 Net operating income 1865.500 1681,100 Interest expense 300,300 308,600 Net income before taxes 1565 200 1.372.500 Income taxes (3094 469.560 411,750 Net income $1,095,640 $960,750 Dividends paid Preferred dividends 29.450 29 450 Common dividends 419.270 413.000 Total dividends paid 448.7 20 442 450 Net income retained 646.920 518.300 Retained earnings beginning of year 3.660.600 13.142.300 Retained earnings, end of year $4,807 520 $3.660.600 Calculate the following profitability ratios for 2020. (Round answers to 1 decimal place, eg. 50.1%) a Gross margin percentage 46. BIL b. Return on assets 95 C "Return on common stockholders equity 26.08