AA - Chapter 20 - Inventory

Oct 17, 2024

Inventory Auditing Lecture Notes

Introduction

  • Inventory is a challenging area in audits, especially in manufacturing or retail companies.
  • Inventory is material and subject to risks such as theft, obsolescence, and damage.

Key Audit Considerations

  • Quantity and Location:

    • Accurately determining and locating all inventory can be difficult.
    • Challenges include mixed inventory types and scattered locations.
  • Identification and Condition:

    • Auditors must identify and assess the condition of inventory.
    • Need to confirm whether inventory is still sellable and in good condition.
  • Valuation and Ownership:

    • Inventory value should be the lower of cost or net realizable value.
    • Ownership must be confirmed; physical presence doesn’t always imply ownership.

Physical Stock Take

  • Often conducted at year-end; provides strong evidence of inventory presence and condition.

  • Auditor's Role:

    • Attend and observe the stock take, ensuring client conducts it properly.
    • Perform test counts, but not responsible for the entire count.
  • Stock Take Planning:

    • Requires clear instructions and planning, especially if done annually.
    • Inventory should be organized and damaged or third-party stocks identified.
  • Stock Sheet Process:

    • Shelves should have unique identifiers.
    • Inventory sheets should be pre-numbered and sequential to ensure completeness.
  • Inventory Sheets:

    • Columns for location, product codes, quantity, condition, cost, and total value.
    • Sheets signed by counters for accountability.

Valuation and Cost Verification

  • Valuation Methods:

    • FIFO (First-In, First-Out) and average cost methods.
    • Auditors may need to re-perform calculations to verify adherence.
  • Net Realizable Value:

    • Assess the likelihood of selling inventory above cost.
    • Check for outdated or non-moving inventory.
    • Discuss with sales/marketing departments and review post-year-end sales.

Analytical Review

  • Inventory Days:
    • Analyze changes in inventory days as a red flag for overstocking or poor sales.

Cut-off Procedures

  • Consistency in Transactions:

    • Ensure purchases and sales are recorded in the correct period.
  • Purchases Cut-off:

    • Goods received before year-end should be in closing stock and purchases.
    • Set up a purchase accrual if invoice is received after year-end.
  • Sales Cut-off:

    • Goods dispatched before year-end should not be in closing stock.
    • Ensure sales and receivables are recorded.

Role of Auditor in Cut-off

  • Verify the accuracy of cut-off by noting last goods received and dispatched numbers.
  • Consistency and accuracy in recording transactions is crucial.

Conclusion

  • Inventory auditing involves careful planning, accurate identification, and adherence to valuation policies.
  • Cut-off procedures and stock takes are key components to ensure accurate and reliable financial statements.