Definition of Internal Control (According to GAO):

Internal control is aprocess implemented by managementto provide reasonable assurance that the organization will achieve its objectives in:

Operations(effectiveness and efficiency).

Reporting(reliable and accurate financial and non-financial reporting).

Compliance(adherence to laws and regulations).

Explanation of Answer Choices:

A. Help an entity achieve its objectives: Correct. This is the primary purpose of internal controls.

B. Design an ERM system: Incorrect. Enterprise Risk Management (ERM) is broader than internal control and includes risk strategy and appetite.

C. Set the tone at the top: Incorrect. While the tone at the top is part of the control environment, it is not the full scope of internal control.

D. Develop a strategic plan: Incorrect. Internal control supports strategic plans but is not directly involved in developing them.

References:

GAO,Standards for Internal Control in the Federal Government (Green Book).

COSO,Internal Control - Integrated Framework.