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

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	12,600
Cost of goods sold		3,760
Other expenses		4,127
Depreciation		2,338
Earnings before interest and taxes (EBIT)	$	2,375
Interest expense		655
Income before tax	$	1,720
Taxes (at 35%)		602
Net income	$	1,118
Dividends	$	816

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	83			$	152
Receivables		2,082				2,370
Inventories		157				208
Other current assets		837				902
Total current assets	$	3,159			$	3,632
Net property, plant, and equipment		19,913				19,855
Other long-term assets		4,156				3,710
Total assets	$	27,228			$	27,197
Liabilities and shareholders equity
Payables	$	2,504			$	2,980
Short-term debt		1,389				1,543
Other current liabilities		781				757
Total current liabilities	$	4,674			$	5,280
Long-term debt and leases		8,512				7,907
Other long-term liabilities		6,118				6,089
Shareholders equity		7,924				7,921
Total liabilities and shareholders equity	$	27,228			$	27,197

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.)

Answer is complete but not entirely correct.

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)