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

INCOME STATEMENT (Figures in $ millions)
Net sales	$ 12,900
Cost of goods sold	3,910
Other expenses	4,132
Depreciation	2,428
Earnings before interest and taxes (EBIT)	$ 2,430
Interest expense	670
Income before tax	$ 1,760
Taxes (at 35%)	616
Net income	$ 1,144
Dividends	$ 846

BALANCE SHEET
(Figures in $ millions)
		End of Year		Start of Year
Assets
Cash and marketable securities		$	86			$	155
Receivables			2,232				2,430
Inventories			172				223
Other current assets			852				917
Total current assets		$	3,342			$	3,725
Net property, plant, and equipment			19,943				19,885
Other long-term assets			4,186				3,740
Total assets		$	27,471			$	27,350
Liabilities and shareholders equity
Payables		$	2,534			$	3,010
Short-term debt			1,404				1,558
Other current liabilities			796				772
Total current liabilities		$	4,734			$	5,340
Long-term debt and leases			7,765				7,370
Other long-term liabilities			6,148				6,119
Shareholders equity			8,824				8,521
Total liabilities and shareholders equity		$	27,471			$	27,350

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.)