Here are simplified financial statements of phone corporation from a recent year:

Income Statement (millions of dollars)
Net sales	13,233
Cost of goods sold	4,020
Other expenses	4,089
Depreciation	2,478
Earnings before interest and taxes (EBIT)	2,646
Interest expenses	725
Income before tax	1,921
Taxes	530
Net income	1,391
Dividends	836

Statement of Financial Position (millions of dollars)
	End of Year		Start of Year
Assets:
Cash and marketable securities	109		178
Receivables	2,342		2,450
Inventories	207		258
Other current assets	847		912
Total current assets	3,505		3,798
Net property, plant, and equipment	19,933		19,875
Other long-term assets	4,236		3,790
Total assets	27,674		27,463
Liabilities and shareholders' equity:
Payables	2,584		3,060
Short-term debt	1,399		1,553
Other current liabilities	831		807
Total current liabilities	4,814		5,420
Long-term debt and leases	7,098		6,793
Other long-term liabilities	6,198		6,169
Shareholders' equity	9,564		9,081
Total liabilities and shareholders' equity	27,674		27,463

Calculate the following financial ratios. Assume 365 days in the year. In case either the value of the asset at the start of the year or at the end of the year may be used to calculate a ratio, use the year-end value i

g.

Operating profit margin

h.

Inventory turnover

times

i.

Days in inventory

days

j.

Average collection period

days

k.

Return on equity

%

l.

Return on assets

%

m.

Payout ratio