calculate the following ratios for 2020 and 2021 fiscal years:

• quick ratio
• net working capital to total assets
• total debt ratio
• equity multiplier
• days' sales in receivables
• total asset turnover
• net profit margin
• return on equity

1 2 3 7 8 9 in Millions Net cash from operating activities Net cash from investing activities Net cash from financing activities Net change in cash 2020 2021 38,747 57,683 -30,059 -7,570 -10,292 -50,728 -1,325 -1,089 1 in Millions 2 3 4 Assets 5 Current assets: 6 Cash and cash equivalents 7 Accounts receivable 8 Other current assets 9 Total current assets 10 Property, plant and equipment, net 11 Other non-current assets 12 Total assets 13 14 Liabilities 15 Current liabilities: 16 Accounts payable 17 Other current liabilities 18 Total current liabilities 19 Long-term liabilities 20 Other liabilities 21 Total liabilities 22 Stockholders' equity 23 24 25 Total liabilities and equity 2020 2021 17,576 16,601 11,335 14,039 46,759 36,026 75,670 66,666 45,633 57,809 38,013 41,512 159,316 165,987 1,331 4,083 13,650 17,052 14,981 21,135 9,631 12,746 6,414 7,227 31,026 41,108 128,290 124,879 159,316 165,987 1 in Millions 2 3 4 Revenues 5 Cost of revenues (cost of goods sold) 6 Gross profit 7 Operating expenses: 8 Research and development 9 Marketing and sales 10 General and administrative 11 Total operating expenses 12 Income (loss) from operations 13 Interest income 14 Income before income taxes 15 Income taxes 16 Net income 17 2020 85,965 16,692 69,273 18,447 11,591 6,564 36,602 32,671 509 33,180 4,034 29,146 2021 117,929 22,649 95,280 24,655 14,043 9,829 48,527 46,753 531 47,284 7,914 39,370