diff --git a/ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs b/ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs
index 6d92da1..37b155d 100644
--- a/ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs
+++ b/ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs
@@ -40,9 +40,46 @@ namespace ComputersShopBusinessLogic.BusinessLogics
 
         public bool MakeSupply(ShopSearchModel model, IComputerModel Computer, int count)
         {
+            _logger.LogInformation("Try to supply shop. ShopName:{ShopName}. Id:{Id}", model.Name, model.Id);
             if (model == null)
-                return false;
-            return _shopStorage.SupplyComputer(model, Computer, count);
+            {
+                _logger.LogWarning("Read operation failed");
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (Computer == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                throw new ArgumentNullException(nameof(Computer));
+            }
+            if (count <= 0)
+            {
+                _logger.LogWarning("Read operation failed");
+                throw new ArgumentNullException("Количество должно быть положительным числом");
+            }
+            ShopViewModel curModel = ReadElement(model);
+            if (curModel == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                throw new ArgumentNullException(nameof(curModel));
+            }
+            if (curModel.ShopComputers.TryGetValue(Computer.Id, out var pair))
+            {
+                curModel.ShopComputers[Computer.Id] = (pair.Item1, pair.Item2 + count);
+            }
+            else
+            {
+                curModel.ShopComputers.Add(Computer.Id, (Computer, count));
+            }
+            Update(new()
+            {
+                Id = curModel.Id,
+                ShopName = curModel.ShopName,
+                DateOpen = curModel.DateOpen,
+                Address = curModel.Address,
+                ShopComputers = curModel.ShopComputers,
+            });
+            _logger.LogInformation("Success. ComputerName:{ComputerName}. Id:{Id}. Supply:{count}", Computer.ComputerName, Computer.Id, count);
+            return true;
         }
 
         public ShopViewModel ReadElement(ShopSearchModel model)
diff --git a/ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs b/ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs
index 2627905..28a54dc 100644
--- a/ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs
+++ b/ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs
@@ -18,6 +18,5 @@ namespace ComputersShopContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
-        bool SupplyComputer(ShopSearchModel model, IComputerModel computer, int Count);
     }
 }
diff --git a/ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs b/ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs
index c3d6b48..2af4d05 100644
--- a/ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs
+++ b/ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs
@@ -104,36 +104,5 @@ namespace ComputersShopListImplement.Implements
             }
             return null;
         }
-
-        public bool SupplyComputer(ShopSearchModel model, IComputerModel Computer, int count)
-        {
-            if (model == null)
-                throw new ArgumentNullException(nameof(model));
-            if (Computer == null)
-                throw new ArgumentNullException(nameof(Computer));
-            if (count <= 0)
-                throw new ArgumentNullException("Количество должно быть положительным числом");
-
-            ShopViewModel curModel = GetElement(model);
-            if (curModel == null)
-                throw new ArgumentNullException(nameof(curModel));
-            if (curModel.ShopComputers.TryGetValue(Computer.Id, out var pair))
-            {
-                curModel.ShopComputers[Computer.Id] = (pair.Item1, pair.Item2 + count);
-            }
-            else
-            {
-                curModel.ShopComputers.Add(Computer.Id, (Computer, count));
-            }
-            Update(new()
-            {
-                Id = curModel.Id,
-                ShopName = curModel.ShopName,
-                DateOpen = curModel.DateOpen,
-                Address = curModel.Address,
-                ShopComputers = curModel.ShopComputers,
-            });
-            return true;
-        }
     }
 }