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©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 1 Audit of the Inventory and Warehousing Cycle Chapter 21.

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Presentation on theme: "©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 1 Audit of the Inventory and Warehousing Cycle Chapter 21."— Presentation transcript:

1 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 1 Audit of the Inventory and Warehousing Cycle Chapter 21

2 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 2 Learning Objective 1 Describe the business functions and the related documents and records in the inventory and warehousing cycle.

3 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 3 Flow of Inventory and Costs Actual Raw Materials Beginning inventory Raw materials used Purchases Ending inventory Direct Labor Actual Applied Manufacturing Overhead Work-in-Process Beginning inventory Ending inventory Cost of goods manufactured Cost of goods sold Finished Goods Beginning inventory Ending inventory Cost of goods sold

4 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 4 Learning Objective 2 Explain the five parts of the audit of the inventory and warehousing cycle.

5 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 5 Functions in the Cycle Process purchase orders Receive raw materials Store raw materials Process the goods Store finished goods Ship finished goods Receive raw materials Put materials in storage Put materials in production Put completed goods in storage Ship finished goods Flow of Inventory

6 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 6 Audit of Inventory Acquire and record raw materials, labor, and overhead Part of auditCycle in which tested Acquisition and payment plus payroll and personnel Internally transfer assets and costs Inventory and warehousing

7 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 7 Audit of Inventory Ship goods and record revenue and costs Cycle in which testedPart of audit Sales and collection Physically observe inventory Inventory and warehousing Price and compile inventory Inventory and warehousing

8 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 8 Learning Objective 3 Design and perform audit tests of cost accounting.

9 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 9 Cost Accounting Controls 2.Controls over the related costs 1.Physical controls over raw materials, work in process, and finished goods inventory

10 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 10 Methodology for Designing Controls and Substantive Tests Understand internal control – cost accounting system Assess planned control risk – cost accounting system Determine extent of testing controls Audit procedures Sample size Items to select Timing Design tests of controls and substantive tests of transactions for the cost accounting system to meet transaction-related audit objectives

11 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 11 Tests of Cost Accounting  Physical controls over inventory  Documents and records for transferring inventory  Perpetual inventory master files  Unit cost records

12 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 12 Learning Objective 4 Apply analytical procedures to the accounts in the inventory and warehousing cycle.

13 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 13 Analytical Procedures: Inventory and Warehousing Cycle Analytical procedure Compare gross margin percentage with that of previous years Overstatement or understatement of inventory and cost of goods sold Possible misstatement Compare inventory turnover (cost of goods sold divided by average inventory) with that of previous year Obsolete inventory Overstatement or understatement of inventory

14 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 14 Analytical Procedures: Inventory and Warehousing Cycle Analytical procedure Compare unit costs of inventory with those of previous years Overstatement or understatement of unit costs, which affect inventory and cost of goods sold Possible misstatement Compare extended inventory value with that of previous years Misstatements in compilation, unit costs, or extensions, which affect inventory and cost of goods sold

15 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 15 Analytical Procedures: Inventory and Warehousing Cycle Analytical procedure Compare current year manufacturing costs with those of previous years (variable costs should be adjusted for changes in volume) Misstatements of unit costs of inventory, especially direct labor and manufacturing overhead, which affect inventory and cost of goods sold Possible misstatement

16 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 16 Identify client business risks affecting inventory Methodology for Designing Tests of Balances – Inventory Set tolerable misstatement and assess inherent risk for inventor Assess control risk for several cycles Phase I

17 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 17 Methodology for Designing Tests of Balances – Inventory Design and perform tests of controls and substantive tests of transactions for several cycles Phase II

18 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 18 Timing Items to select Sample size Audit procedures Methodology for Designing Tests of Balances – Inventory Design and perform analytical procedures for inventory Design tests of details of inventory to satisfy balance- related audit objectives Phase III

19 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 19 Learning Objective 5 Design and perform physical observation audit tests for inventory.

20 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 20 Controls Over Perpetual Inventory Master Files  Proper instructions for the physical count  Supervision by responsible personnel  Independent internal verification of the counts  Independent reconciliations of the physical counts with perpetual inventory master files  Adequate control over count sheets or tags

21 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 21 Audit Decisions  Timing  Sample size  Selection of items

22 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 22 Physical Observation Tests The most important part of the observation of inventory is determining whether the physical count is being taken in accordance with the client’s instructions.

23 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 23 Balance-related Audit Objectives Existence: Inventory as recorded on tags exist. Completeness: Existing inventory is counted and tagged. Accuracy: Inventory is counted accurately. Classification: Inventory is classified correctly on the tags.

24 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 24 Balance-Related Audit Objectives Cutoff: Transactions are recorded in the proper period. Realizable value: Obsolete and unusable inventory items are excluded or noted. Rights: The client has rights to inventory recorded on tags.

25 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 25 Learning Objective 6 Design and perform audit tests of pricing and compilation for inventory.

26 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 26 Audit of Pricing and Compilation Inventory price tests  Valuation of inventory  Pricing and compilation procedures  Pricing and compilation controls

27 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 27 Balance-Related Objectives: Inventory Pricing and Compilation  Detail tie-in  Existence  Completeness  Accuracy  Classification  Realizable value  Rights

28 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 28 Valuation of Inventory  Pricing purchased inventory  Pricing manufactured inventory  Cost or market

29 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 29 Learning Objective 7 Integrate the various parts of the audit of the inventory and warehousing cycle.

30 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 30 Interrelationship of Various Audit Tests Tests of acquisition and payment cycle Acquisitions of raw materials Raw materials Other manufacturing costs Work in process Raw material used

31 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 31 Interrelationship of Various Audit Tests Tests of payroll and personnel cycle Direct labor Work in process Indirect labor Work in process

32 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 32 Interrelationship of Various Audit Tests Inventory tests  Tests of cost accounting records  Tests of physical inventory observation  Tests of pricing and compilation Ending inventory Raw materials Ending inventory Work in process Ending inventory Finished goods

33 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 33 Interrelationship of Various Audit Tests Cost of goods manufactured Work in process Cost of goods manufactured Finished goods Tests of sales and collection cycle Cost of goods sold Finished goods

34 ©2010 Prentice Hall Business Publishing, Auditing 13/e, Arens//Elder/Beasley 21 - 34 End of Chapter 21

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