diff --git a/AutomobilePlant/AutomobilePlantContracts/BusinessLogicContracts/IShopLogic.cs b/AutomobilePlant/AutomobilePlantContracts/BusinessLogicContracts/IShopLogic.cs
index 782f221..5c4501a 100644
--- a/AutomobilePlant/AutomobilePlantContracts/BusinessLogicContracts/IShopLogic.cs
+++ b/AutomobilePlant/AutomobilePlantContracts/BusinessLogicContracts/IShopLogic.cs
@@ -18,6 +18,6 @@ namespace AutomobilePlantContracts.BusinessLogicContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool SupplyCars(ShopSearchModel model, ICarModel car, int count);
-        bool SellCar(ICarModel document, int count);
+        bool SellCar(ICarModel car, int count);
     }
 }
diff --git a/AutomobilePlant/AutomobilePlantFileImplement/Implements/ShopStorage.cs b/AutomobilePlant/AutomobilePlantFileImplement/Implements/ShopStorage.cs
index a9d0392..c5ce93f 100644
--- a/AutomobilePlant/AutomobilePlantFileImplement/Implements/ShopStorage.cs
+++ b/AutomobilePlant/AutomobilePlantFileImplement/Implements/ShopStorage.cs
@@ -83,29 +83,24 @@ namespace AutomobilePlantFileImplement.Implements
 
         public bool SellCar(ICarModel model, int count)
         {
-            // переделать под linq 
-
             var car = source.Cars.FirstOrDefault(x => x.Id == model.Id);
 
-            var countStore = count;
-
             if (car == null)
             {
                 return false;
             }
 
-            foreach (var shop in source.Shops)
+            var countStore = count;
+
+            var shopCars = source.Shops.SelectMany(shop => shop.ShopCars.Where(c => c.Value.Item1.Id == car.Id));
+
+            foreach (var c in shopCars)
             {
-                foreach (var c in shop.ShopCars)
+                count -= c.Value.Item2;
+
+                if (count <= 0)
                 {
-                    if (c.Value.Item1.Id == car.Id)
-                    {
-                        count -= c.Value.Item2;
-                    }
-                    if (count <= 0)
-                    {
-                        break;
-                    }
+                    break;
                 }
             }
 
@@ -116,9 +111,8 @@ namespace AutomobilePlantFileImplement.Implements
 
             count = countStore;
 
-            for (int i = 0; i < source.Shops.Count; i++)
+            foreach (var shop in source.Shops)
             {
-                var shop = source.Shops[i];
                 var cars = shop.ShopCars;
 
                 foreach (var c in cars.Where(x => x.Value.Item1.Id == car.Id))
@@ -142,14 +136,13 @@ namespace AutomobilePlantFileImplement.Implements
                     MaxCountCars = shop.MaxCountCars,
                     ShopCars = cars
                 });
+
                 source.SaveShops();
+
+                if (count <= 0) break;
             }
 
-            if (count > 0)
-            {
-                return false;
-            }
-            return true;
+            return count <= 0;
         }
     }
 }