{
  "synthetic": true,
  "scope": "Finite offline teaching model, not production implementation.",
  "function": "unitPrice",
  "cases": [
    {
      "id": 1,
      "args": [
        1200,
        750,
        1000
      ],
      "expected": 1600
    },
    {
      "id": 2,
      "args": [
        1800,
        1500,
        1000
      ],
      "expected": 1200
    },
    {
      "id": 3,
      "args": [
        1000,
        0,
        1000
      ],
      "expected": null
    }
  ]
}