A Ricardian 
    Example
You 
    are given the information shown in the table about production relationships 
    in Vintland and 
|  | Labor Hours per Bottle of Wine | Labor Hours per Kilogram of Cheese | 
| Vintland | 15 | 10 | 
|  | 10 | 4 | 
Vintland has 30 million hours of labor in total per year.