By which means were most frauds reported or discovered, according to the survey conducted by the ACFE (Association of Certified Fraud Examiners)?

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According to the survey conducted by the ACFE, the most common means by which frauds were reported or discovered was through tips. Approximately 40% of frauds were discovered through tips, whereas only 15% were detected through internal audit, 4% through external audit, and 5% by accident.

By Which Means Were Most Frauds Reported or Discovered, According