opinion expression. Audit clients may ask auditors to
issue unqualified or clean auditor’s opinion because
the stakeholders will be unaware of any problems or
unsolved issues and management can maintain their
performance. On the contrary, high audit fee may
represent high audit quality because it implies that
auditors provide premium service to their clients
such as performing systematic audit procedures,
identifying weakness of internal controls, and
reporting the truth to stakeholders. When audit
clients have uncertainties and unsolved issues,
auditors have to perform additional work until they
obtain sufficient and appropriate audit evidence for
expressing their opinions. Thus, they can charge for
high audit fee to their clients in order to maintain
their audit quality and compensate with their
reputation and litigation risks.