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

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	13,100
Cost of goods sold		4,010
Other expenses		4,042
Depreciation		2,488
Earnings before interest and taxes (EBIT)	$	2,560
Interest expense		680
Income before tax	$	1,880
Taxes (at 30%)		564
Net income	$	1,316
Dividends	$	866

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	88			$	157
Receivables		2,332				2,470
Inventories		182				233
Other current assets		862				927
Total current assets	$	3,464			$	3,787
Net property, plant, and equipment		19,963				19,905
Other long-term assets		4,206				3,760
Total assets	$	27,633			$	27,452
Liabilities and shareholders equity
Payables	$	2,554			$	3,030
Short-term debt		1,414				1,568
Other current liabilities		806				782
Total current liabilities	$	4,774			$	5,380
Long-term debt and leases		7,267				7,012
Other long-term liabilities		6,168				6,139
Shareholders equity		9,424				8,921
Total liabilities and shareholders equity	$	27,633			$	27,452

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.)

.	Return on equity (use average balance sheet figures)	4.14selected answer incorrect	%
b.	Return on assets (use average balance sheet figures)	not attempted	%
c.	Return on capital (use average balance sheet figures)	not attempted	%
d.	Days in inventory (use start-of-year balance sheet figures)	not attempted	days
e.	Inventory turnover (use start-of-year balance sheet figures)	not attempted
f.	Average collection period (use start-of-year balance sheet figures)	not attempted	days
g.	Operating profit margin	not attempted	%
h.	Long-term debt ratio (use end-of-year balance sheet figures)	not attempted
i.	Total debt ratio (use end-of-year balance sheet figures)	not attempted
j.	Times interest earned	not attempted
k.	Cash coverage ratio	not attempted
l.	Current ratio (use end-of-year balance sheet figures)	not attempted
m.	Quick ratio (use end-of-year balance sheet figures)