Nabors, Inc. 2018 statement of comprehensive income ($ in millions) Net sales Less: Cost of goods sold Less: Depreciation Earnings before interest and taxes Less: Interest paid Taxable Income Less: Taxes Net income $9,610 6,310 1,370 1,930 630 $1,300 455 $845 2018 Cash Accounts rec. Inventory Total Net fixed assets Nabors, Inc. 2017 and 2018 Statement of financial positions ($ in millions) 2017 2018 2017 $3101 $405 Accounts payable $2,720 2,6401 3,055 Notes payable 100 3,2751 3,850 Total $2,820 $6,225 $7,310 Long-term debt 7,875 10,960 10,670 Common stock 5,000 Retained earnings 1,490 $17,185 $17,980 Total liab. & equity $17,185 $2,570 0 $2,570 8,100 5,250 2,060 $17,9801 Total assets What is the change in the net working capital from 2017 to 2018 ($ in millions)