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Understanding FIFO Inventory Cost Flow

May 10, 2025

Inventory Cost Flow Assumption: FIFO (First In First Out)

Introduction

  • Presenter: James
  • Channel: Accounting Stuff
  • Topic: Inventory Cost Flow Assumptions - specifically focusing on FIFO (First In First Out)
  • Related topics: Cost of goods sold, perpetual and periodic inventory systems

Inventory Cost Flow Assumptions

  • Purpose: Estimate cost flows from inventory into cost of goods sold and closing inventory.
  • Types:
    • FIFO: First In First Out
    • LIFO: Last In First Out
    • AVCO: Average Cost Method

FIFO Method

  • Concept: Oldest inventory is assumed to be sold first.
  • Steps to Calculate Using FIFO:
    1. Inventory Cost Flow Table: Create a table with columns for date, description, quantity, cost per unit, and total cost.
    2. Enter Known Data:
      • Opening inventory example: 220 units at $2 each (total $440)
      • Additions example: 400 units costing $1,200 (cost per unit $3)
    3. Fill in Blanks:
      • Goods available for sale calculation
      • Cost of goods sold: Use FIFO logic to determine cost (older inventory sold first)
      • Example calculation: 220 units at $2 + 280 units at $3 = $1,280 total cost of goods sold
    4. Calculate Totals:
      • Total cost of goods sold for month: $1,280
      • Closing inventory: 120 units remaining, total cost $360

Example Scenario

  • Business Context: Wholesale buying and selling squeegees
  • Transactions:
    • Opening inventory: 220 units, $2 each
    • Purchase: 400 units, $1,200 total
    • Sale: 500 units, $2,750 revenue

Implications of FIFO

  • FIFO can depict higher profits in an inflationary economy by aligning older, cheaper costs against current revenues.
  • High profits might lead to higher taxes, affecting cash flow.

Conclusion

  • FIFO is straightforward and mirrors basic inventory calculations.
  • Upcoming content will cover LIFO and AVCO.
  • Additional resource: Cost Flow Assumptions Cheat Sheet available for purchase.

Additional Notes

  • Video suggests subscribing to the channel for more videos on LIFO and AVCO methods.
  • Emphasis on practical applications and implications of choosing FIFO.

This summary captures the core ideas and calculations presented in the video on FIFO, providing a structured approach to understanding and applying the FIFO inventory method.