WAC Inventory Costing
Monthly cost updates with full preview
Weighted average cost recalculated monthly from real PO receipts. Preview every proposed change, confirm with one click, and reverse a posted run if something needs correction.
How it works
Inventory valuation drives half of your month-end close. PulsePlant's WAC module runs a controlled, auditable cost update once a month based on every closed receipt for the period — freight allocated, eligibility checked, idempotency guaranteed.
The run is always preview-first. You see every SKU whose cost is about to change, the new weighted average, the quantity on hand, and the exact GL impact. Nothing posts until you click Confirm & Sync. If the resulting GL adjustment is large, the preview flags it with a warning banner before you commit.
Posted runs are reversible while the fiscal period is still open. Every run writes a permanent record with the user, timestamp, items updated, GL debits, and GL credits. Finance teams have a complete audit trail and a safe undo button.
What you get
Preview before posting
Every cost change, every GL entry, every skipped item visible before anything touches inventory.
Freight-allocated costing
Freight rolls into the weighted average properly so landed cost is what actually hits the ledger.
Large-impact warnings
Automatic red-flag banner when proposed GL adjustment exceeds configurable threshold.
Reversible runs
A posted run can be undone with a reason while the period is still open. Full reversal of cost and GL.
Run history archive
Every run recorded forever with who triggered it, what it changed, and the full GL summary.
Idempotent by design
Run twice on clean data, nothing changes. No accidental double-posting.
Common ways it's used
Other parts of Inventory & Stores
Repairable Items
Track every rotable by serial number
Serialized tracking for rotable spares — motors, gearboxes, valves, control modules. Each unit has its own repair history, cost, and reliability score across unlimited repair cycles.
Inventory Integrity Monitor
Auto-corrects drift before it compounds
An hourly background audit that reconciles inventory, reservations, work order parts, requisitions, and receipts. Catches drift automatically so bad data never cascades into wrong costs or failed jobs.
See WAC Inventory Costing in action
Book a walkthrough with the team. We'll show you how it fits the rest of your workflow.