Here are simplified financial statements for Phone Corporation in a recent year:

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	12,500
Cost of goods sold		3,710
Other expenses		4,112
Depreciation		2,308
Earnings before interest and taxes (EBIT)	$	2,370
Interest expense		650
Income before tax	$	1,720
Taxes (at 30%)		516
Net income	$	1,204
Dividends	$	806

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	82			$	151
Receivables		2,032				2,350
Inventories		152				203
Other current assets		832				897
Total current assets	$	3,098			$	3,601
Net property, plant, and equipment		19,903				19,845
Other long-term assets		4,146				3,700
Total assets	$	27,147			$	27,146
Liabilities and shareholders equity
Payables	$	2,494			$	2,970
Short-term debt		1,384				1,538
Other current liabilities		776				752
Total current liabilities	$	4,654			$	5,260
Long-term debt and leases		8,761				8,086
Other long-term liabilities		6,108				6,079
Shareholders equity		7,624				7,721
Total liabilities and shareholders equity	$	27,147			$	27,146

Calculate the following financial ratios for Phone Corporation: (Use 365 days in a year. Do not round intermediate calculations. Round your final answers to 2 decimal places.)

Calculate the following financial ratios for Phone Corporation: (Use 365 days in a year. Do not round intermediate calculations. Round your final answers to 2 decimal places.) % % % days a. Return on equity (use average balance sheet figures) b. Return on assets (use average balance sheet figures) c. Return on capital (use average balance sheet figures) d. Days in inventory (use start-of-year balance sheet figures) e. Inventory turnover (use start-of-year balance sheet figures) f. Average collection period (use start-of-year balance sheet figures) g. Operating profit margin h. Long-term debt ratio (use end-of-year balance sheet figures) i. Total debt ratio (use end-of-year balance sheet figures) j. Times interest earned k. Cash coverage ratio 1. Current ratio (use end-of-year balance sheet figures) m. Quick ratio (use end-of-year balance sheet figures) days %