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

INCOME STATEMENT (Figures in $ millions)
Net sales	$ 12,300
Cost of goods sold	3,610
Other expenses	4,022
Depreciation	2,248
Earnings before interest and taxes (EBIT)	$ 2,420
Interest expense	640
Income before tax	$ 1,780
Taxes (at 35%)	623
Net income	$ 1,157
Dividends	$ 756

BALANCE SHEET

(Figures in $ millions)

End of Year

Start of Year

Assets

Cash and marketable securities

$

80

$

149

Receivables

1,932

2,310

Inventories

142

193

Other current assets

822

887

Total current assets

$

2,976

$

3,539

Net property, plant, and equipment

19,883

19,825

Other long-term assets

4,126

3,680

Total assets

$

26,985

$

27,044

Liabilities and shareholders equity

Payables

$

2,474

$

2,950

Short-term debt

1,374

1,528

Other current liabilities

766

742

Total current liabilities

$

4,614

$

5,220

Long-term debt and leases

9,259

8,444

Other long-term liabilities

6,088

6,059

Shareholders equity

7,024

7,321

Total liabilities and shareholders equity

$

26,985

$

27,044

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.)