Required information [The following information applies to the questions displayed below.) Fraud Investigators Inc. operates a fraud detection service. a. On March 31, 10 customers were billed for detection services totaling $19,000 b. On October 31, a customer balance of $1,200 from a prior year was determined to be uncollectible and was written off c. On December 15, a customer paid an old balance of $740, which had been written off in a prior year. d. On December 31, $440 of bad debts were estimated and recorded for the year. Required: 1. Prepare journal entries for each transaction above. (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 1 2 3 4 5 Record the service revenue of $19,000 billed on account. Note: Enter debits before credits. Transaction General Journal Debit Credit