Can someone answer and explain please

On December 31, 2017, Extreme Fitness has adjusted balances of $800,000 in Accounts Receivable and $55,000 in Allowance for Doubtful Accounts. On January 2, 2018, the company learns that certain customer accounts are not collectible, so management authorizes a write-off of these accounts totaling $10,000. Assume that on February 2, 2018, Extreme Fitness received a payment of $500 from one of the customers whose balance had been written off. Prepare the journal entries to record this transaction (if no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.) View transaction list Journal entry worksheet B Record the reversal of a customer account previously written off in the amount of $500 Note: Enter debits before credits General Journal Debit Credit Transaction 1 Record entry Clear entry View general Journal