Prior to recording the following, Elite Electronics, incorporated, had a credit balance of $2,400 in its Allowance for Doubtful Accounts. Required: Prepare Journal entries for each transaction. (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.) a. On August 31, a customer balance for $340 from a prior year was determined to be uncollectible and was written off. b. On December 15, the customer balance for $340 written off on August 31 was collected in full. Journal entry worksheet Record the write-off of a certain customer account from a prior year which is not collectible totaling $340. Noter Enter debits before credits