During the current year, Witz Electric, Inc., recorded credit sales of $900,000. Based on prior experience, it estimates a 3 percent bad debt rate on credit sales. 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 September 29 of the current year, an account receivable for $2,700 from March of the current year was determined to be uncollectible and was written off. b. The appropriate bad debt expense adjustment was recorded for the current year.