{
  "year": 2025,
  "prices": {
    "폐콘크리트": { "unit": "ton", "price": 24000 },
    "폐아스팔트콘크리트": { "unit": "ton", "price": 28000 },
    "혼합건설폐기물": { "unit": "ton", "price": 120000 }
  }
}