On December 31, 2014. Extreme Fitness has adjusted balances of $810,000 in Accounts Receivable and $57,000 in Allowance for Doubtful Accounts. On January 2, 2015, the company learns that certain customer accounts are not collectible, so management authorizes a write-off of these accounts totaling $11,000. Assume that on February 2. 2015. Extreme Fitness received a payment of $600 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.) Record the receipt of cash of $600 from the customer