kind: commodity
spec:
  - name: "Gem"
    max_world_price: 100
 
  - name: "Food"
    max_world_price: 30
  
  - name: "Grain"
    max_world_price: 5
    
  - name: "Fuel"
    max_world_price: 1

  - name: "Fruit"
    max_world_price: 5