Which of the following best describes how an internal auditor would use a flowchart during...

A flowchart is primarily used to evaluate the design of controls by visually representing the sequence of operations, decision points, and control activities within a process. This helps the internal auditor identify weaknesses, redundancies, and gaps in internal controls.

Preparing for testing the effectiveness of controls (A) comes later in the audit process, after evaluating the design.

Planning for evaluating potential losses (B) focuses on risk assessment rather than control design.

Preparing a sampling plan (C) is a different step in the audit process, where the auditor determines the scope and sample size.