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

INCOME STATEMENT (Figures in $ millions)
Net sales	$ 13,000
Cost of goods sold	3,960
Other expenses	4,037
Depreciation	2,458
Earnings before interest and taxes (EBIT)	$ 2,545
Interest expense	675
Income before tax	$ 1,870
Taxes (at 30%)	561
Net income	$ 1,309
Dividends	$ 856

BALANCE SHEET
(Figures in $ millions)
		End of Year				Start of Year
Assets
Cash and marketable securities		$	87			$	156
Receivables			2,282				2,450
Inventories			177				228
Other current assets			857				922
Total current assets		$	3,403			$	3,756
Net property, plant, and equipment			19,953				19,895
Other long-term assets			4,196				3,750
Total assets		$	27,552			$	27,401
Liabilities and shareholders equity
Payables		$	2,544			$	3,020
Short-term debt			1,409				1,563
Other current liabilities			801				777
Total current liabilities		$	4,754			$	5,360
Long-term debt and leases			7,516				7,191
Other long-term liabilities			6,158				6,129
Shareholders equity			9,124				8,721
Total liabilities and shareholders equity		$	27,552			$	27,401

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.)