17-Audit sampling is commonly used for which type of audit evidence: *

Inspection of tangible assets

Observation

Inquiry

Analytical procedures

19-Audit sampling is not used for which type of audit evidence: *

Inspection of tangible assets

Recalculation

Confirmation

Observation

20-Rubentus Corporation was suffering recurring losses from operations and has a net capital deficiency that raises extreme doubt about its ability to operate next year. In this case, the auditor would issue a (an): *

Adverse opinion

Disclaimer of opinion

Unqualified opinion plus an explanatory paragraph

Qualified opinion