This lesson covers the process of determining the suitability of substantive analytical procedures and how they can be used as tests of detail to provide evidence supporting financial assertions. The lesson delves into developing expectations of reported amounts or ratios, evaluating the precision of these expectations, and assessing their ability to identify misstatements in financial statements or disclosures. Additionally, the lesson discusses the importance of evaluating the reliability of data used in analytical procedures and addressing the significance of any differences discovered through the process. The timing and implications of conducting these procedures during the review phase are also explored.