diff --git a/cout-recette.hs b/cout-recette.hs
new file mode 100755
index 0000000..9895ef5
--- /dev/null
+++ b/cout-recette.hs
@@ -0,0 +1,34 @@
+#! /usr/bin/env runhaskell
+
+type Ingredient = (String, Double, Double)
+
+type Recette = ( String, [Ingredient], Double, Double)
+
+ingredientsLessive :: [Ingredient]
+ingredientsLessive = ( "Lessive"
+                     ,   [ ("Eau", 0.003, 2.5)
+                         , ("Savon de Marseille", 3.36, 0.1)
+                         , ("Bicarbonate de soude", 3.81, 0.016)
+                         , ("Vinaigre blanc", 0.36, 0.03)
+                         ]
+                     ,   2.5
+                     ,   30
+                     )
+
+quantiteLessive = 2.5
+nombreUtilisations = 30
+
+prixTotal ingredientsLessive = sum . map (\ (_, x, y) -> x * y) $ ingredientsLessive
+
+prixLitre prixTotal quantiteLessive = prixTotal / quantiteLessive
+
+prixUtilisation prixTotal quantiteLessive = prixTotal / nombreUtilisations
+
+main = do
+    putStrLn "Calcul du coût des recettes\n"
+    putStrLn "* Lessive :"
+    print ingredientsLessive
+    putStrLn $ "  * Prix Total = " ++ show prixTotal ++ "€"
+    putStrLn $ "  * Prix au litre = " ++ show prixLitre ++ "€"
+    putStrLn $ "  * Prix par utilisation = " ++ show prixUtilisation ++ "€"
+