Which of the following most accurately describes the independence issues in this case?

Group of answer choices

There were no issues regarding independence in this case.

The auditor had violated several independence rules by participating in the audit and failed to maintain independence in mental attitude as a result.

The auditor was able to maintain independence in mental attitude despite having violated several independence rules.

The auditor was able to maintain independence in mental attitude despite being involved in a situation that could have affected his independence, although specific independence rules were not violated.