Martinez Company has employed a bookkeeper who is inexperienced. On December 30, after reviewing the records for the year, you discover the following error. On July 31, Martinez Company paid a supplier $280 on account. The bookkeeper recorded this by debiting Supplies $820 and crediting Accounts Payable for $820. Required: Prepare a correcting entry on December 30. Make sure to enter the day for each separate transaction. Date Account Title Debit Credit