b. is a function of the statistical method chosen.
c. is a function of the audit, regardless whether statistical methods are used or not.
d. Both a and b.
Which of the following source of evidence would be the most reliable:
(a) a written confirmation sent by a bank directly to the auditor.
(b) a written confirmation sent by a debtor to the client.
(c) a written document produced electronically by a client with good internal controls.
(d) a written document in the form of a fax sent by a debtor to the client indicating
acceptance of a special offer.
Auditors test the operating effectiveness of internal controls only if they
(a) are effectively designed to prevent or detect material misstatements.
(b) address multiple risk factors.
(c) are applied in conjunction with other controls to address a single risk factor.
(d) cause susceptibility to material misstatements.