Knowledge Check 01 Which of the following explain why internal controls can never completely prevent and detect errors and frauds? (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.) The costs of controls always exceed their benefits Employees may collude to get around controls Employees may override controls Fraud Human error