Manufacturing accounting that follows the cost flow
BOM costing, standard vs actual costing, weighted-average and FIFO inventory valuation, work-order WIP, variance analysis, and E&O reserve - one governed AI system instead of a factory spreadsheet stack.
Why manufacturers outgrow generic accounting
A manufacturer’s cost doesn’t sit still. It moves: raw materials become work-in-process, absorb labor and overhead, and finish as finished goods before hitting cost of goods sold. Generic accounting has no bill of materials, no work orders, no WIP, and no way to tell a price variance from a usage variance. It sees a warehouse full of value as a single number.
- BOM costing: a finished good’s standard cost rolls up from its components, labor, and overhead.
- Costing method: weighted-average, FIFO, or standard changes what every issue and sale costs.
- WIP: cost accumulates on open work orders until they complete to finished goods.
- Variances: standard costing splits the gap between actual and standard into price, usage, rate, and efficiency.
- E&O reserve: slow and obsolete stock must be written down to net realizable value.
The six-step cost flow, in the ledger
| Step | Entry | What it captures |
|---|---|---|
| Receive materials | DR Raw Materials / CR AP | Inventory at cost |
| Issue to WIP | DR WIP / CR Raw Materials | Materials consumed by a work order |
| Apply labor | DR WIP / CR Wages Payable | Direct labor (hours × rate) |
| Apply overhead | DR WIP / CR MOH Applied | Predetermined overhead |
| Complete to FG | DR Finished Goods / CR WIP | WIP relieved to finished goods |
| Sell | DR COGS / CR Finished Goods | Cost of goods sold |
A worked example
Gross component requirement
required = qty_per × build_qty × (1 + scrap_pct) = 2 × 100 × 1.05 = 210
Illustrative. For multi-level BOMs, scrap compounds level by level as explosion recurses to raw materials.
Getting started
From spreadsheets to real cost accounting
- 1
Set up items and BOMs
Create inventory items with a costing method, then build bills of materials with components, scrap, labor, and overhead.
- 2
Run work orders
Release work orders, issue materials, apply labor and overhead, and complete to finished goods - each posting to the GL.
- 3
Value and reserve
Run the inventory valuation report and the E&O reserve so the balance sheet carries inventory at recoverable value.
- 4
Analyze variances
Review standard-costing variances to see where actual cost drifted from standard.
Frequently asked questions
What is manufacturing accounting software?
Manufacturing accounting software tracks cost as it flows through production - from raw materials, into work-in-process where labor and overhead are absorbed, to finished goods, and finally to cost of goods sold. It handles bills of materials, work orders, inventory valuation, standard costing and variances, and inventory reserves. Fintra does all of this on one ledger.
Which inventory costing methods does Fintra support?
Weighted-average (moving average), FIFO (first-in, first-out cost layers), and standard costing. Weighted-average recomputes the unit cost on every receipt; FIFO relieves the oldest layers first; standard values movements at a set cost and books the difference as variances. LIFO is not supported.
Does Fintra do BOM costing and work orders?
Yes. A bill of materials rolls a finished good’s standard cost up from its components, labor, and overhead, including multi-level sub-assemblies. Work orders then move real cost through the ledger: issuing materials, applying labor and overhead to WIP, and completing to finished goods.
How does Fintra handle obsolete inventory?
The excess-and-obsolete (E&O) reserve writes slow-moving and obsolete stock down to net realizable value, taking the most conservative of an aging-based reserve, a specific-identification reserve, and a lower-of-cost-or-NRV reserve. The reserve posts as a contra-asset so inventory is carried at its recoverable value.
Stay in the loop
One practical finance briefing a week - new guides, checklists, and benchmarks.
Put your factory on a real ledger
Start free, no card required. Build a BOM, run a work order, and see cost flow through your books.
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