A company had balances in certain accounts as follows: Accounts receivable... Allowance for doubtful accounts.. Sales (gross)....... Sales returns and allowances. Provision for bad debts....... 1/1/23 $43,000 800 12/31/23 $ 48,200 2023 1,000 $ 200,000 4,000 1,600 The December 31, 2023, balances of accounts receivable and the allowance for doubtful accounts are after accounting for all events affecting these accounts during the year (including the writing off uncollectible accounts). Cash collected (from customers) during the year ended December 31, 2023, amounted to: