settings:
  levels:
    Level-1:
      Performance: 10%
      Cost-xp: 20
    Level-2:
      Performance: 25%
      Cost-xp: 25
    Level-3:
      Performance: 40%
      Fuel-duration: 10%
      Cost-xp: 30
    Level-4:
      Performance: 55%
      Fuel-duration: 25%
      Cost-xp: 35
    Level-5:
      Performance: 75%
      Fuel-duration: 45%
      Cost-xp: 40
    Level-6:
      Performance: 85%
      Fuel-duration: 50%
      Cost-xp: 45