The following accounts, among others, appeared on zz Company's balance sheet at January 1, 2020 and December 31, 2020: January 1, 2020 December 31, 2020 Accounts receivable Utilities payable Notes payable Common stock Retained earnings 48,000 20,000 71,000 30,000 22,000 63,000 26,000 80,000 90,000 78,000 The following information was taken from ZZ Company's 2020 income statement: Sales revenue Cost of goods sold other expenses Net income $500,000 280,000 120,000 $100,000 Calculate the amount of cash collected from customers during 2020