Sunland Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2019 and 2020 follow. Sunland Medical Comparative Balance Sheet As of December 31 2020 2019 Assets Current assets Cash $398,000 $417.400 Accounts receivable, net 1,099.000 776,450 Inventory 746,000 681,000 381.350 247,000 Other current assets 2.624.350 2,121,850 Total current assets 8,645,005 8,440,010 Property, plant, & equipment, net $11.269,355 $10,561,860 Total assets Llabilities and Stockholders' Equity $3,209,000 $2,846,050 Current liabilities Property, plant, & equipment, net 8,645,005 8,440,010 Total assets $11,269,355 $10,561,860 Liabilities and Stockholders' Equity Current liabilities $2,846,050 $3,209,000 3,702,600 Long-term debt 3,892,700 Total liabilities 6,911,600 6,738,750 58,950 58,950 Preferred stock, $5 par value 104,650 103,850 Common stock, $0.25 par value 4,194,155 3,660,310 Retained earnings Total stockholders' equity 4,357.755 3,823,110 $11,269,355 $10,561,860 Total liabilities and stockholders' equity Sunland Medical Comparative Income Statement and Statement of Retained Earnings For the Year 2020 2019 Sales revenue (all on account) $10,177,250 $9,613,900 Cost of goods sold 5,612,700 5,298.700 Gross profit 4,564,550 4,315,200 Operating expenses 2,840,300 2,634,200 Net operating income 1,724,250 1,681,000 Interest expense 300,400 308,700 1,423,850 1,372,300 Net income before taxes 427,155 411,690 Income taxes (30%) $996,695 $960,610 Net income Dividends paid 29,500 29,550 Preferred dividends 433,350 413,050 Common dividends Question 4 of 10 -/10 433,350 413,050 Common dividends Total dividends paid 462,850 442,600 Net income retained 533,845 518,010 Retained earnings, beginning of year 3,660,310 3,142,300 Retained earnings, end of year $4,194,155 $3,660,310 (a-d) Calculate the following liquidity ratios for 2020. (If working capital is negative then enter with a negative sign preceding the number or parentheses, e.g. -15,000 or (15,000). Round all answers except working capital to 2 decimal places, eg. 2.55.) $ a. Working capital b. Current ratio c. Acid-test ratio times d. Accounts receivable turnover