resented here are summarized data from the balance sheets and income statements of Wiper Inc.:

WIPER INC.
Condensed Balance Sheets
December 31, 2020, 2019, 2018
(in millions)
	2020			2019			2018
Current assets	$	650		$	900		$	700
Other assets		2,750			2,050			1,750
Total assets	$	3,400		$	2,950		$	2,450
Current liabilities	$	500		$	800		$	700
Long-term liabilities		1,500			1,000			800
Stockholders' equity		1,400			1,150			950
Total liabilities and stockholders' equity	$	3,400		$	2,950		$	2,450

WIPER INC.
Selected Income Statement and Other Data
For the year Ended December 31, 2020 and 2019
(in millions)
	2020			2019
Income statement data:
Sales	$	3,300		$	2,900
Operating income		380			300
Interest expense		80			70
Net income		300			230
Other data:
Average number of common shares outstanding		44			42
Total dividends paid	$	50		$	30

Calculate Wiper's debt ratio and debt/equity ratio at December 31, 2020 and 2019. (Round "Debt ratio" to 1 decimal place and "Debt/equity ratio" to the nearest whole percent.)

	2020		2019
Debt ratio		%		%
Debt/equity ratio		%		%