auditor has identified an IT application control related to the completeness of revenues, and IT general controls have already been determined to be effective, suggest how the auditor might test the effectiveness of such IT application controls and related manual follow-up

auditor has identified an IT application control related to the completeness of revenues, and IT general controls have already been determined to be effective, suggest how the auditor might test the effectiveness of such IT application controls and related manual follow-up.

Explain lapping. What might be evidence that lapping has occurred?

Assume an auditor is auditing a private company that sells computer hardware and offers servicing contracts to maintain the computer. If internal controls are weak, what are the implications for developing an audit strategy in the revenue process?