The purpose of this article is to provide definitions of accounting, auditing, and assurance services. In addition, the relationship between accounting, auditing, and assurance services will be explained and examples will be provided.

The purpose of this article is to discuss the Committee of Sponsoring Organizations of the Treadway Commission, known as COSO. This discussion will include its origin, history, and purpose. Also included will be a discussion of the five components of internal control as defined by COSO.

The purpose of this article is to discuss the three main objectives that an organization should follow in order to design an effective internal control system. These three objectives are reliability of financial reporting, efficiency and effectiveness of operations, and compliance with laws and regulations.

The standard unqualified audit report is the most common type of audit report. This article will discuss the seven required report sections, the circumstances that prevent issuance of an unqualified report, and the three other types of audit report that may be issued.