Matthias Medical manufactures hospital beds and other institutional furniture. The companys comparative balance sheet and income statement for 2019 and 2020 follow.

Matthias Medical Comparative Balance Sheet As of December 31
		2020		2019
Assets
Current assets
Cash		$397,220		$417,400
Accounts receivable, net		906,800		776,400
Inventory		743,000		681,000
Other current assets		381,300		247,000
Total current assets		2,428,320		2,121,800
Property, plant, & equipment, net		8,678,000		8,440,100
Total assets		$11,106,320		$10,561,900
Liabilities and Stockholders Equity
Current liabilities		$2,934,700		$2,846,000
Long-term debt		3,700,600		3,892,600
Total liabilities		6,635,300		6,738,600
Preferred stock, $5 par value		58,900		58,900
Common stock, $0.25 par value		104,600		103,800
Retained earnings		4,307,520		3,660,600
Total stockholders equity		4,471,020		3,823,300
Total liabilities and stockholders equity		$11,106,320		$10,561,900

Matthias Medical 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		1,865,500		1,681,100
Interest expense		300,300		308,600
Net income before taxes		1,565,200		1,372,500
Income taxes (30%)		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		448,720		442,450
Net income retained		646,920		518,300
Retained earnings, beginning of year		3,660,600		3,142,300
Retained earnings, end of year		$4,307,520		$3,660,600

Calculate the following leverage ratios for 2020. (Round all answers to 2 decimal places, e.g. 2.55% or 2.55.)

a.	Debt ratio	%
b.	Debt-to-equity ratio
c.	Times interest earned ratio	times