This article discusses the history and definition of materiality in auditing, the importance of real and perceived independence, and internal control weaknesses at Everyday Supplies. It covers the revisions made to AASB 1031, the definition of materiality, and how auditors determine materiality levels. It also explains the difference between real and perceived independence and how they contribute to the credibility of an auditor's work. Finally, it identifies three internal control weaknesses at Everyday Supplies and suggests ways to address them.