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

INCOME STATEMENT
(Figures in $ millions)
Net sales	$	13,193
Cost of goods sold		4,060
Other expenses		4,049
Depreciation		2,518
Earnings before interest and taxes (EBIT)	$	2,566
Interest expense		685
Income before tax	$	1,881
Taxes (at 35%)		658
Net income	$	1,223
Dividends	$	856

BALANCE SHEET
(Figures in $ millions)
	End of Year				Start of Year
Assets
Cash and marketable securities	$	89			$	158
Receivables		2,382				2,490
Inventories		187				238
Other current assets		867				932
Total current assets	$	3,525			$	3,818
Net property, plant, and equipment		19,973				19,915
Other long-term assets		4,216				3,770
Total assets	$	27,714			$	27,503
Liabilities and shareholders equity
Payables	$	2,564			$	3,040
Short-term debt		1,419				1,573
Other current liabilities		811				787
Total current liabilities	$	4,794			$	5,400
Long-term debt and leases		7,018				6,833
Other long-term liabilities		6,178				6,149
Shareholders equity		9,724				9,121
Total liabilities and shareholders equity	$	27,714			$	27,503

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

b.Average collection period (use start-of-year balance sheet figures)days

c.Operating profit margin%

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

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

f.Times interest earned

g.Cash coverage ratio

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

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