Which One of the Following Statements Is NOT Correct

Multiple Choice

Which one of the following statements is NOT correct?

A) Internal controls vary from company to company; therefore, the auditor must identify the controls and deficiencies for each organisation.
B) The substantive tests of transactions will vary depending on the assessed control risk.
C) The tests of controls and substantive tests of transactions are combined where appropriate.
D) The auditor must perform tests of controls on all of the client's internal controls.