What is the auditor's principal purpose for obtaining an understanding of internal control and assessing control risk in a financial statement audit? of To comply with generally accepted accounting principles. To obtain a measure of assurance of management's efficiency. To maintain a state of independence in mental attitude during the audit. O To determine the nature, timing, and extent of subsequent audit work. 33 The primary purpose of the auditor assessment of control risk is to ut of O Evaluate the effectiveness of the entity's internal controls. Identify transactions and account balances where inherent risk is at the maximum Indicate whether materiality thresholds for planning and evaluation purposes are sufficiently high. O Determine the level of plan detection risk for financial statement assertions