Here are simplified financial statements for Phone Corporation in 2020:

INCOME STATEMENT
(Figures in $ millions)
Net sales	$ 13,300
Cost of goods sold	4,160
Other expenses	4,087
Depreciation	2,578
Earnings before interest and taxes (EBIT)	$ 2,475
Interest expense	695
Income before tax	$ 1,780
Taxes (at 21%)	374
Net income	$ 1,406
Dividends	$ 876

BALANCE SHEET
(Figures in $ millions)
	End of Year	Start of Year
Assets
Cash and marketable securities	$ 91	$ 160
Receivables	2,482	2,530
Inventories	197	248
Other current assets	877	942
Total current assets	$ 3,647	$ 3,880
Net property, plant, and equipment	19,993	19,935
Other long-term assets	4,236	3,790
Total assets	$ 27,876	$ 27,605
Liabilities and shareholders equity
Payables	$ 2,584	$ 3,060
Short-term debt	1,429	1,583
Other current liabilities	821	797
Total current liabilities	$ 4,834	$ 5,440
Long-term debt and leases	6,520	6,475
Other long-term liabilities	6,198	6,169
Shareholders equity	10,324	9,521
Total liabilities and shareholders equity	$ 27,876	$ 27,605

Calculate the following financial ratios for Phone Corporation:

Note: 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)
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)
e. Inventory turnover (use start-of-year balance sheet figures)
f. Average collection period (use start-of-year balance sheet figures)
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)