=====FINAL=====
 Northgate Timber Supplies Ltd invoice NTS/26/04417, dated 3 September 2026, is due 30 days later on 3 October 2026.

5% trade discount applies only to worktops and fixings (£404.00 → £383.80). Delivery and the zero-rated fitting guide are undiscounted. VAT at 20% is on the discounted standard-rated net only.

```json
{
  "supplier_name": "NORTHGATE TIMBER SUPPLIES LTD",
  "invoice_number": "NTS/26/04417",
  "invoice_date": "2026-09-03",
  "due_date": "2026-10-03",
  "supplier_vat_number": "GB284991736",
  "net_total": 430.80,
  "vat_total": 83.76,
  "gross_total": 514.56
}
```

ELAPSED 14.9s
EXIT 0
PROXY_USAGE {"requests": 1, "in": 1656, "cached": 1536, "out": 202, "reasoning": 1403, "usd": 0.010638, "errors": []}