Knowledge Check 01 From the following list, identify those that are likely to serve as source documents. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) Select all that apply and click Submit Trial balance Telephone bill Sales ticket ? Income statement 2 Invoice from supplier 2 Bank statement