Solve for the Following Ratios:

1. Return on assets = Net Income / Total Assets
2. Debt ratio = Total Debts / Total Assets
3. Profit margin = (Revenue Cost) / Revenue
4. Current ratio = Current Assets / Current Liabilities
5. Acid test ratio = (Current Assets Inventory) / Current Liabilities
6. Gross margin ratio = (Net Sales Cost of Goods Sold) / Net Sales
7. Inventory turnover = Net Sales / Average Inventory at Selling Price
8. Days sales in inventory = (Average Inventory / Cost of Goods Sold) * 365 days
9. Accounts receivable turnover = Net Credit Sales / Average Accounts Receivable
10. Total asset turnover = Sales / Average Total Assets
11. Times interest earned = Earnings Before Interest and Taxes / Interest Expense
12. Debt to equity ratio = Total Liabilities / Total Equity
13. Basic earnings per share = (Net Income Preferred Dividends) / Average Outstanding Shares

Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions 12 Months Ended Dec. 31, 2019 Dec. 31, 2018 $ 280,522 $ 232,887 Dec. 31, 2017 $ 177,866 Total net sales Operating expenses: Cost of sales Fulfillment Technology and content Marketing General and administrative Other operating expense (income), net Total operating expenses Operating income Interest income Interest expense Other income (expense), net Total non-operating income (expense) Income before income taxes Provision for income taxes Equity-method investment activity, net of tax Net income Basic earnings per share Diluted earnings per share Weighted average shares used in computation of earnings per share: Basic (in shares) Diluted (in shares) Net product sales Total net sales Net service sales Total net sales 165,536 40,232 35,931 18,878 5,203 201 265,981 14,541 832 (1,600) 203 (565) 13,976 (2,374) (14) $ 11,588 $ 23.46 $ 23.01 139,156 34,027 28,837 13,814 4,336 296 220,466 12,421 440 (1,417) (183) (1,160) 11,261 (1,197) 9 $ 10,073 $ 20.68 $ 20.14 111,934 25,249 22,620 10,069 3,674 214 173,760 4,106 202 (848) 346 (300) 3,806 (769) (4) $ 3,033 $6.32 $6.15 494 504 487 500 480 493 $ 160,408 $ 141,915 $ 118,573 $ 120,114 $ 90,972 $ 59,293 Dec 31, 2019 Dec 31, 2018 Consolidated Balance Sheets - USD ($) $ in Millions Current assets: Cash and cash equivalents Marketable securities Inventories Accounts receivable, net and other Total current assets Property and equipment, net Operating leases Goodwill Other assets Total assets Current liabilities: Accounts payable Accrued expenses and other Unearned revenue Total current liabilities Long-term lease liabilities Long-term debt Other long-term liabilities Commitments and contingencies (Note 7) Stockholders' equity: Preferred stock, $0.01 par value: Authorized shares - 500 Issued and outstanding shares - none $36,092 18,929 20,497 20,816 96,334 72,705 25,141 14,754 16,314 225,248 $ 31,750 9,500 17,174 16,677 75,101 61,797 0 14,548 11,202 162,648 47,183 32,439 8,190 87,812 39,791 23,414 12,171 38,192 23,663 6,536 68,391 9,650 23,495 17,563 0 0 5 5 Common stock, $0.01 par value: Authorized shares - 5,000 Issued shares - 507 and 514 Outstanding shares - 484 and 491 Treasury stock, at cost Additional paid-in capital Accumulated other comprehensive income (loss) Retained earnings Total stockholders' equity Total liabilities and stockholders' equity (1,837) 33,658 (986) 31,220 62,060 $ 225,248 (1,837) 26,791 (1,035) 19,625 43,549 $ 162,648