Using the information below, calculate the net operating working capital for 2020. 2020 2019 $1,285 $1,148 550 500 Balance Sheet as of December 31 (Millions of Dollars) 2020 2019 Liabilities and Assets Equity Cash $1,008 $900 Accounts payable Short-term 90 100 Accruals Investments Accounts Notes 1,657 Receivable 1,479 payable Inventories Total Current 4,887 4,367 Liabilities Total Current 7,642 6,846 Assets Long-term debt Net plant and Total 9.775 8.733 equipment Liabilities 645 575 2,480 2,223 1,994 2,856 4,474 5,079 Total Assets $17.417 $15,579 Common stock 2,400 2,500 10.543 8.000 Retained earnings Total common equity 12.943 10.500 Total liabilities and equity $17.417 $15.579