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FIFO with physical value and marking

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First in, first out (FIFO) is an inventory management and valuation method where inventory that is produced or acquired first is sold, used, or disposed of first. During the inventory close process in Microsoft Dynamics 365 Supply Chain Management, the system will create settlements where the first receipt is matched against the first issue, and so on.

The settlements and matching principle are based on the financial date of the inventory transactions. A preliminary assessment of the settlements and adjustments can be performed by running the inventory recalculation process.

You can override the FIFO principle by marking inventory transactions so that a specific item receipt is settled against a specific issue. A periodic inventory close is required when you use the FIFO inventory model to create settlements and adjust the value of issues according to the FIFO principle. Until you run the inventory close process, issue transactions are valued at the running average when the physical and financial updates occurred. Unless you're using marking, the running average is calculated when the physical or financial update is performed. The following examples show the effect of using FIFO in three configurations:

  • FIFO without the Include physical value option
  • FIFO with the Include physical value option
  • FIFO with marking

FIFO without the Include physical value option

In this example, the Include physical value checkbox is cleared on the item model group for the released product. The illustration that follows shows these transactions:

  • 1a. Inventory physical receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 1b. Inventory financial receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 2a. Inventory physical receipt for a quantity of 1 at a cost of USD 20.00 each.
  • 2b. Inventory financial receipt for a quantity of 1 at a cost of USD 22.00 each.
  • 3a. Inventory physical issue for a quantity of 1 at a cost price of USD 16.00 (running average of financially posted transactions).
  • 3b. Inventory financial issue for a quantity of 1 at a cost price of USD 16.00 (running average of financially posted transactions).
  • 4a. Inventory physical receipt for a quantity of 1 at a cost of USD 25.00 each.
  • 5a. Inventory physical receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 5b. Inventory financial receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 6a. Inventory physical issue for a quantity of 1 at a cost price of USD 23.00 (running average of financially posted transactions)
  • 7. Inventory close is performed. Based on the FIFO method, the first financially updated issue will be settled against the first financially updated receipt, and so on. In this example, one settlement is created between 1b and 3b. An adjustment of USD –6.00 will be made to 3b, and the resulting final cost will be USD 10.00.

The new running average cost price reflects the average of the financially updated transactions. The following illustration shows the effects of the FIFO inventory model on this series of transactions when the Include physical value option isn't used.

FIFO without the Include physical value option.

Key to the diagram

  • Inventory transactions are represented by vertical arrows.
  • Physical transactions are represented by shorter light gray arrows.
  • Financial transactions are represented by longer black arrows.
  • Receipts into inventory are represented by vertical arrows above the timeline.
  • Issues out of inventory are represented by vertical arrows below the timeline.
  • Each new receipt or issue transaction is designated by a new label.
  • Each vertical arrow is labeled with a sequential identifier, such as 1a. The identifiers indicate the order of inventory transaction postings in the timeline.
  • Each date in the diagram is separated by a thin black vertical line. The date is noted at the bottom of the diagram.
  • Inventory closings are represented by a red vertical dashed line.
  • Settlements that are performed by inventory close are represented by red diagonal dashed arrows that go from a receipt to an issue.

FIFO with the Include physical value option

If the Include physical value checkbox is selected for an item on the Item model group page, the system uses both physical and financial receipt transactions to calculate the running average cost price. Where applicable, the system also adjusts the physically updated issue transaction. Inventory close that uses the FIFO inventory model makes settlements only to transactions that are financially updated. The illustration that follows shows these transactions:

  • 1a. Inventory physical receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 1b. Inventory financial receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 2a. Inventory physical receipt for a quantity of 1 at a cost of USD 20.00 each.
  • 2b. Inventory financial receipt for a quantity of 1 at a cost of USD 22.00 each.
  • 3a. Inventory physical issue for a quantity of 1 at a cost price of USD 16.00 (running average of physically and financially posted transactions).
  • 3b. Inventory financial issue for a quantity of 1 at a cost price of USD 16.00 (running average of physically and financially posted transactions).
  • 4a. Inventory physical receipt for a quantity of 1 at a cost of USD 25.00 each.
  • 5a. Inventory physical receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 5b. Inventory financial receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 6a. Inventory physical issue for a quantity of 1 at a cost price of USD 23.67 (running average of physically and financially posted transactions).
  • 7. Inventory close is performed. Based on the FIFO method, the first financially updated issue will be settled against the first financially updated receipt, and so on. In this example, one settlement is created between 1b and 3b. An adjustment of USD –6.00 will be made to 3b, and the resulting final cost will be USD 10.00. Additionally, transaction 6a will be adjusted to the receipt transaction cost of 2b. The system won't settle these transactions, because the receipt is updated physically but not financially. Instead, only an adjustment of USD -1.67 will be posted to the physical issue transaction, and the resulting adjusted cost will be USD 22.00.

FIFO with the Include physical value option.

Notice that the result of running the inventory close process is the same, regardless of whether you select the Include physical value option on the Item model group page. The Include physical value option affects only the running average.

Key to the diagram

  • Inventory transactions are represented by vertical arrows.
  • Physical transactions are represented by shorter light gray arrows.
  • Financial transactions are represented by longer black arrows.
  • Receipts into inventory are represented by vertical arrows above the timeline.
  • Issues out of inventory are represented by vertical arrows below the timeline.
  • Each new receipt or issue transaction is designated by a new label.
  • Each vertical arrow is labeled with a sequential identifier, such as 1a. The identifiers indicate the order of inventory transaction postings in the timeline.
  • Each date in the diagram is separated by a thin black vertical line. The date is noted at the bottom of the diagram.
  • Inventory closings are represented by a red vertical dashed line.
  • Settlements that are performed by inventory close are represented by red diagonal dashed arrows that go from a receipt to an issue.

FIFO with marking

Marking is a process that lets you link, or mark, an issue transaction to a receipt transaction. Marking can occur either before or after a transaction is posted. You can use marking when you want to be sure of the exact cost of inventory when the transaction is posted or the inventory close is performed.

For example, the Customer Service department accepted a rush order from an important customer. Because this order is a rush order, you must pay more for this item to fulfill your customer's request. You must make sure that the cost of the inventory item is reflected in the margin, or cost of goods sold (COGS), for the sales order invoice. When the purchase order is posted, the inventory is received at a cost of USD 120.00. If the sales order document is marked to the purchase order before the packing slip or invoice is posted, the COGS will be USD 120.00, not the current running average cost for the item. If the sales order packing slip or invoice is posted before the marking occurs, the COGS will be posted at the running average cost price. Before inventory close is performed, these two transactions can still be marked to each other.

When a receipt transaction is marked to an issue transaction, the valuation method that is defined in the item model group is disregarded, and the system settles these transactions to each other. You can manually mark a transaction against a sales order line on the Sales order details page by selecting Inventory > Marking on the Sales order lines FastTab. You can view the open receipt transactions on the Marking page. You can match or mark an issue transaction to an open receipt transaction for an inventoried item from a posted inventory adjustment journal. The illustration that follows shows these transactions:

  • 1a. Inventory physical receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 1b. Inventory financial receipt for a quantity of 1 at a cost of USD 10.00 each.
  • 2a. Inventory physical receipt for a quantity of 1 at a cost of USD 20.00 each.
  • 2b. Inventory financial receipt for a quantity of 1 at a cost of USD 22.00 each.
  • 3a. Inventory physical issue for a quantity of 1 at a cost price of USD 16.00 (running average of financially posted transactions).
  • 3b. Inventory financial issue for a quantity of 1 at a cost price of USD 16.00 (running average of financially posted transactions).
  • 3c. Inventory financial issue for 3b is marked to inventory financial issue for 2b.
  • 4a. Inventory physical receipt for a quantity of 1 at a cost of USD 25.00 each.
  • 5a. Inventory physical receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 5b. Inventory financial receipt for a quantity of 1 at a cost of USD 30.00 each.
  • 6a. Inventory physical issue for a quantity of 1 at a cost price of USD 23.00 (running average of financially posted transactions)
  • 7. Inventory close is performed. Based on the marking principle that uses the FIFO method, the marked transactions are settled against each other. In this example, 3b is settled against 2b, and an adjustment for USD 6.00 is posted to 3b to bring the value to USD 22.00. In this example, no additional settlements are made, because the close creates settlements only for financially updated transactions.

The following illustration shows the effects of the FIFO inventory model on this series of transactions when marking between issues and receipts is used.

FIFO with marking.

Key to the diagram

  • Inventory transactions are represented by vertical arrows.
  • Physical transactions are represented by shorter light gray arrows.
  • Financial transactions are represented by longer black arrows.
  • Receipts into inventory are represented by vertical arrows above the timeline.
  • Issues out of inventory are represented by vertical arrows below the timeline.
  • Each new receipt or issue transaction is designated by a new label.
  • Each vertical arrow is labeled with a sequential identifier, such as 1a. The identifiers indicate the order of inventory transaction postings in the timeline.
  • Each date in the diagram is separated by a thin black vertical line. The date is noted at the bottom of the diagram.
  • Inventory closings are represented by a red vertical dashed line.
  • Settlements and markings that are performed by inventory close are represented by red diagonal dashed arrows that go from a receipt to an issue.