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

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	13,900
Cost of goods sold		4,460
Other expenses		4,197
Depreciation		2,758
Earnings before interest and taxes (EBIT)	$	2,485
Interest expense		725
Income before tax	$	1,760
Taxes (at 30%)		528
Net income	$	1,232
Dividends	$	936

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	97			$	166
Receivables		2,782				2,650
Inventories		227				278
Other current assets		907				972
Total current assets	$	4,013			$	4,066
Net property, plant, and equipment		20,053				19,995
Other long-term assets		4,296				3,850
Total assets	$	28,362			$	27,911
Liabilities and shareholders equity
Payables	$	2,644			$	3,120
Short-term debt		1,459				1,613
Other current liabilities		851				827
Total current liabilities	$	4,954			$	5,560
Long-term debt and leases		5,026				5,401
Other long-term liabilities		6,258				6,229
Shareholders equity		12,124				10,721
Total liabilities and shareholders equity	$	28,362			$	27,911

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.)

a.Return on equity (use average balance sheet figures)______%

b.Return on assets (use average balance sheet figures)______%

c.Return on capital (use average balance sheet figures)______%

d.Days in inventory (use start-of-year balance sheet figures)____days

e.Inventory turnover (use start-of-year balance sheet figures)

f.Average collection period (use start-of-year balance sheet figures)____days

g.Operating profit margin ____%

h.Long-term debt ratio (use end-of-year balance sheet figures)

i.Total debt ratio (use end-of-year balance sheet figures)

j.Times interest earned

k.Cash coverage ratio

l.Current ratio (use end-of-year balance sheet figures)

m.Quick ratio (use end-of-year balance sheet figures)