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

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	13,400
Cost of goods sold		4,210
Other expenses		4,102
Depreciation		2,608
Earnings before interest and taxes (EBIT)	$	2,480
Interest expense		700
Income before tax	$	1,780
Taxes (at 30%)		534
Net income	$	1,246
Dividends	$	886

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	92			$	161
Receivables		2,532				2,550
Inventories		202				253
Other current assets		882				947
Total current assets	$	3,708			$	3,911
Net property, plant, and equipment		20,003				19,945
Other long-term assets		4,246				3,800
Total assets	$	27,957			$	27,656
Liabilities and shareholders equity
Payables	$	2,594			$	3,070
Short-term debt		1,434				1,588
Other current liabilities		826				802
Total current liabilities	$	4,854			$	5,460
Long-term debt and leases		6,271				6,296
Other long-term liabilities		6,208				6,179
Shareholders equity		10,624				9,721
Total liabilities and shareholders equity	$	27,957			$	27,656

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.)

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)		days
e.	Inventory turnover (use start-of-year balance sheet figures)
f.	Average collection period (use start-of-year balance sheet figures)		days
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
l.	Current ratio (use end-of-year balance sheet figures)
m.	Quick ratio (use end-of-year balance sheet figures)