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

INCOME STATEMENT (Figures in $ millions)
Net sales	$ 12,700
Cost of goods sold	3,810
Other expenses	4,112
Depreciation	2,368
Earnings before interest and taxes (EBIT)	$ 2,410
Interest expense	660
Income before tax	$ 1,750
Taxes (at 30%)	525
Net income	$ 1,225
Dividends	$ 826

BALANCE SHEET
(Figures in $ millions)
		End of Year				Start of Year
Assets
Cash and marketable securities		$	84			$	153
Receivables			2,132				2,390
Inventories			162				213
Other current assets			842				907
Total current assets		$	3,220			$	3,663
Net property, plant, and equipment			19,923				19,865
Other long-term assets			4,166				3,720
Total assets		$	27,309			$	27,248
Liabilities and shareholders equity
Payables		$	2,514			$	2,990
Short-term debt			1,394				1,548
Other current liabilities			786				762
Total current liabilities		$	4,694			$	5,300
Long-term debt and leases			8,263				7,728
Other long-term liabilities			6,128				6,099
Shareholders equity			8,224				8,121
Total liabilities and shareholders equity		$	27,309			$	27,248

Calculate the following financial ratios for Phone Corporation: (Use 365 days in a year. Do not round intermediate calculations. Round your percentage answers "Return on equity", "Return on assets", Return on capital" and "Operating profit margin" to 2 decimal places and the rest to 2 decimal places.)

a.	Return on equity (Use average equity.)		%
b.	Return on assets (Use after-tax operating income and average assets.)		%
c.	Return on capital (Use after-tax operating income and average capital.)		%
d.	Days in inventory (Use beginning inventory.)		days
e.	Inventory turnover (Use beginning inventory.)
f.	Average collection period (Use beginning receivables.)		days
g.	Operating profit margin (Use after-tax operating income.)		%
h.	Long-term debt ratio (Use end of year values.)
i.	Total debt ratio (Use end of year values.)
j.	Times interest earned
k.	Cash coverage ratio
l.	Current ratio (Use end of year values.)
m.	Quick ratio (Use end of year values.)