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

INCOME STATEMENT (Figures in $ millions)
Net sales	$ 13,500
Cost of goods sold	4,260
Other expenses	4,147
Depreciation	2,638
Earnings before interest and taxes (EBIT)	$ 2,455
Interest expense	705
Income before tax	$ 1,750
Taxes (at 30%)	525
Net income	$ 1,225
Dividends	$ 896

BALANCE SHEET
(Figures in $ millions)
		End of Year				Start of Year
Assets
Cash and marketable securities		$	93			$	162
Receivables			2,582				2,570
Inventories			207				258
Other current assets			887				952
Total current assets		$	3,769			$	3,942
Net property, plant, and equipment			20,013				19,955
Other long-term assets			4,256				3,810
Total assets		$	28,038			$	27,707
Liabilities and shareholders equity
Payables		$	2,604			$	3,080
Short-term debt			1,439				1,593
Other current liabilities			831				807
Total current liabilities		$	4,874			$	5,480
Long-term debt and leases			6,022				6,117
Other long-term liabilities			6,218				6,189
Shareholders equity			10,924				9,921
Total liabilities and shareholders equity		$	28,038			$	27,707

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.)