ScopeObjective of AU-C Section 501Requirements—Investments in Securities and Derivative InstrumentsAU-C 501 Illustrations—Investments in Securities and Derivative InstrumentsRequirements—Inventory Existence and ConditionAU-C 501 Illustrations—Inventory ObservationRequirements—Litigation, Claims, and Assessments Involving the EntityAU-C 501 Illustration—Litigation, Claims, and AssessmentsRequirements—Segment Reporting