How much cash did ABS Corp receive from customers?

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2019 2018 Balance Sheet($million) Assets Cash Account receivable Inventories Prepaid expense Property, plant and equipment Less: Accumulated depreciation Long-term investments Total Asset $3,500 $2,100 $4,900 $200 $3,000 ($1,300) $700 $13,100 $2,400 $1,600 $4,300 $0 $2,300 ($800) $900 $10,700 Liabilities and Shareholders' equity Account payable Accrued liabilities Income Tax payable Long-term debt Common stock Capital in excess of par value Retained earning Total Liability and Equity $3,300 $900 $100 $600 $500 $6,500 $1,200 $13,100 $2,500 $600 $200 $0 $600 $6,600 $200 $10,700 Income Statement ($million) Sales revenue Cost of goods sold Operating expenses Depreciation expenses Interest expenses Gain on sales of equipment Income tax expenses Net Income 2019 $74,000 $55,000 $15,800 $500 $100 2018 $52,000 $40,000 $11,500 $400 $100 $300 $72 $228 $0 $780 $1,820 Notes In 2019 no equipmemt is sold. -The LIFO reserves as of December 31 2019 and 2018 are $1,420 million and $1,100 million respectively. -The effective tax rate for 2019 and earlier periods is 30%. -Long-term debt is issued at par. -No items impacted retained earnings other than net income and dividends