Which of the following will be an appropriate course of action when an auditor disagrees with a client about a well-documented audit finding?

An auditor decides to vouch a sample of ledger entries back to their original documentation. In terms of whether all transactions had been recorded, this test would be:

Productivity statistics are provided quarterly to a company's board of directors. An auditor checked the ratios and other statistics in the four most recent reports. The auditor used scratch paper and copies of the board reports to verify the accuracy of computations and compared the data used in the computations with supporting documents. The auditor wrote a note describing this work for the workpapers and then discarded the scratch paper and report copies. The auditor's note stated.
"The ratios and other statistics in the quarterly board reports were checked for the last four quarters, and appropriate supporting documents were examined. All amounts appear to be appropriate." In this situation:

While investigating a compromised Web server, an auditor found that the Web server logs had been deleted.
The auditor should recommend that the Web server logs be:

During the quarterly review of the internal audit activity's performance, the chief audit executive (CAE) notes that actual engagement hours consistently exceed the budget. Which of the following strategies would most likely help the CAE address this problem?
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The budget should consider time spent on similar engagements.
The budget should consider the proficiency of the assigned auditors.
The budget estimate should provide for unexpected delays.
The budget should be specific as to time for each work assignment.