cartes postales anciennes de DOUE

PRODUIT VENDU                             PRIX POUR LE                         QUANTITE                       COUT DE LA MATIERE
AU CONSOMMATEUR                       CONSOMMATEUR                NECESSAIRE                                                                                                                                                    
                          
BAGUETTE DE 250 GR                             0,85                                   290 GR DE BLE                               0,04               
HUILE DE COLZA 1 L                                2,80                                    3 KG DE GRAINES                        0,81                       
                                                                                                                         DE COLZA                                                        
LAIT ENTIER                                               1,30                                       1 L DE LAIT                                    0,30               
1 KG DE SUCRE                                         1,45                                       6,7 KG DE BETTERAVES           0,18     
 2,5 KG DE POMMES DE TERRE             2,30                                        2,5 KG DE POMMES DE TERRE  0,35 
                                                                                                                                                                                                
                                                                                                                                                                                                     
       ORIGINE :  CHAMBRE D'AGRICULTURE    DE  SEINE  ET   MARNE