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Modern Auditing: Assurance Services and the Integrity of Financial Reporting, 8th Edition William C. Boynton California Polytechnic State University at San Luis Obispo Raymond N. Johnson Portland State University Chapter 11 – Audit Procedures in Response to Assessed Risks: Tests of Controls
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Chapter 11 Overview
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Assessing Control Risk
In assessing control risk, the auditor must evaluate the effectiveness of : Design of internal controls Operation of internal controls
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Steps in Assessing Control Risk
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Process for Assessing Control Risk
Consider Knowledge Acquired from Procedures to Obtain an Understanding Identify Potential Misstatements
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Process for Assessing Control Risk
Identify Necessary Controls Nature of controls to prevent or detect and correct misstatements Nature of controls implemented by management Significance of each control Risk that designed controls may not operate effectively
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Control Design for Specific Assertions
Completeness Assertion Existence or Occurrence Assertion Valuation and Allocation Assertion Presentation and Disclosure Assertion
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Identify Necessary Controls
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Process for Assessing Control Risk
Perform Tests of Controls Evidence about effectiveness of the design and operation of controls Evaluate Evidence and Make Assessment Matter of professional judgment Identify strengths and deficiencies Express quantitatively or qualitatively
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Strategies for Performing Tests of Controls in an IT Environment
User Controls Application Controls General Controls and Manual Followup Procedures
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Overview of Computer Controls
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Computer-Assisted Audit Techniques (CAATs)
Auditing through the computer Advantageous when: Significant part of internal controls is imbedded in a computer program Significant gaps in visible audit trail Large volumes of records to be tested
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Types of CAATs Parallel Simulation Test Data Integrated Test Facility
Continuous Monitoring of On-line Real-time Systems
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Parallel Simulation versus Test Data
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Continuous Monitoring of On-Line Real-Time Systems
Audit Hook Tagging Transactions Audit Log
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Methodologies for Meeting the Second Standard of Fieldwork
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Study Break 1. This step in assessing control risk allows the auditor to consider the points at which errors or fraud could occur. Evaluate Evidence Perform Tests of Controls Identify Potential Misstatements Identify Necessary Controls C. Identify Potential Misstatements
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Study Break 2. This CAAT uses dummy transactions that are processed under auditor control by the client’s computer system and the output is evaluated against expectations. Parallel Simulation Test Data Integrated Test Facility None of the above B. Test Data
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Effects of Preliminary Audit Strategies
Primarily Substantive Approaches Lower Assessed Level of Control Risk
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Designing Tests of Controls
Designed to evaluate the operating effectiveness of a control concerned with: How the control was applied Consistency with which it was applied By whom it was applied
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Nature of Tests of Controls
Inquiries of entity personnel Inspection of items indicating performance of the control Observation of the application of the control Reperformance of the application of the control by the auditor
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Timing of Tests of Controls
One Occasion versus Multiple Occasions Timing Issues Interim Period Remaining Period Results from Prior Periods
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Extent of Tests of Controls
Nature of the Control Frequency of Operation Importance of the Control
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Designing Tests of Controls
Staffing Tests of Controls Audit Programs for Tests of Controls Dual-Purpose Tests
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Additional Considerations
Assessing Control Risk for Account Balance Assertions Affected by a Single Transaction Class Assessing Control Risk for Account Balance Assertions Affected by Multiple Transaction Classes
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Account Balance Assertions and Transaction Class Assertions
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Account Balance Assertions and Transaction Class Assertions
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Documenting the Assessed Level of Control Risk
Control Risk Assessed at the Maximum Only the conclusion is documented Control Risk Assessed at Below the Maximum Basis for assessment must be documented
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Communicating Internal Control Matters
Internal Control Deficiency Significant Deficiency Material Weakness
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Study Break 3. While evaluating the operating effectiveness of a control, the tests of controls are concerned with all of the following except: How the control was applied The consistency with which it was applied When it was applied By whom it was applied C. When it was applied
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Study Break 4. Auditors are required to report a deficiency in internal controls to management and the audit committee when there is a(n): Internal Control Deficiency Significant Deficiency Material Weakness No Deficiencies B. Significant Deficiency and C. Material Weakness
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