{
    "flat": {
        "formula": "minutes <= 30 ? 0 : Math.ceil(minutes/60) * zone.hourly"
    },
    "zones": [
      {
        "name": "Short Term",
        "color": "#007BB3",
        "rate": 28,
        "hourly": 3
      },
      {
        "name": "Long Term",
        "color": "#B95D09",
        "rate": 19,
        "hourly": 3
      },
      {
        "name": "Economy",
        "color": "#0F8530",
        "rate": 13,
        "hourly": 2
      }
    ]
}