[
  {
    "price": 10,
    "name": "Iron"
  },
  {
    "price": 20,
    "name": "Steel"
  },
  {
    "price": 40,
    "name": "Copper"
  },
  {
    "price": 75,
    "name": "Bronze"
  },
  {
    "price": 150,
    "name": "Silver"
  },
  {
    "price": 250,
    "name": "Gold"
  },
  {
    "price": 500,
    "name": "Platinum"
  },
  {
    "price": 1000,
    "name": "Diamond"
  }
]