{
  "scope": "Original fictional arithmetic only; no model call, OCR, billing or business execution",
  "tax": "Excluded; no tax rule supplied",
  "cases": [
    {
      "id": "base",
      "quantity": 12,
      "unitPriceKRW": 18000,
      "shippingKRW": 6000,
      "expected": 222000,
      "actual": 222000
    },
    {
      "id": "quantity-change",
      "quantity": 13,
      "unitPriceKRW": 18000,
      "shippingKRW": 6000,
      "expected": 240000,
      "actual": 240000
    },
    {
      "id": "shipping-unknown",
      "quantity": 12,
      "unitPriceKRW": 18000,
      "shippingKRW": null,
      "expected": null,
      "actual": null
    },
    {
      "id": "explicit-free-shipping",
      "quantity": 12,
      "unitPriceKRW": 18000,
      "shippingKRW": 0,
      "expected": 216000,
      "actual": 216000
    }
  ],
  "cost": {
    "requests": 100000,
    "assumedBilledInputTokensPerRequest": 1000,
    "priceUSDPerMillionInputTokens": "0.10",
    "inputOnlyUSD": "10.00",
    "excludes": [
      "free allowance",
      "tax",
      "Workers",
      "storage",
      "subsequent models",
      "retries",
      "human review"
    ]
  }
}