2. For each of the 3 years, compute the following ratios

Current ratio

Inventory turnover

Operating margin

Net profit margin

CONSOLIDATED STATEMENTS OF INCOME (In millions, except per share data) Year Ended January 27, January 28, January 29, 2019 2018 2017 $ 11,716 $ 9,714 $ 6,910 4,545 3,892 2,847 7,171 5,822 4,063 2,376 991 1,797 815 Revenue Cost of revenue Gross profit Operating expenses Research and development Sales, general and administrative Restructuring and other charges Total operating expenses Income from operations Interest income Interest expense Other, net Total other income (expense) Income before income tax Income tax expense (benefit) Net income 3,367 3,804 136 (58) 14 92 3,896 (245) 4,141 $ 2,612 3,210 69 (61) (22) (14) 3,196 149 3,047 $ 1,463 663 3 2,129 1,934 54 (58) (25) (29) 1,905 239 $ 1,666 January 27, 2019 (B,C) January 28, 2018 (B,C) Year Ended January 29, 2017 (B,C) (In millions, except per share data) 7,422 $ 7,108 $ 6,798 $ Consolidated Balance Sheets Data: Cash, cash equivalents and marketable securities Total assets Debt obligations Convertible debt conversion obligation Total shareholders' equity Cash dividends declared and paid per common share (D) $ $ $ 13,292 $ 1,988 $ 11,241 2,000 $ $ 9,841 2,779 $ 9,342 $ $ 7,471 $ 31 5,762 $ $ 0.61 $ 0.57 $ 0.49