diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs
new file mode 100644
index 0000000..02ec3d1
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs
@@ -0,0 +1,107 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class BundlingLogic : IBundlingLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IBundlingStorage _bundlingStorage;
+		public BundlingLogic(ILogger<BundlingLogic> logger, IBundlingStorage bundlingStorage) 
+		{
+			_logger = logger;
+			_bundlingStorage = bundlingStorage;
+		}
+
+		public List<BundlingViewModel>? ReadList(BundlingSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. BundlingId:Id:{ Id}", model?.Id);
+			var list = model == null ? _bundlingStorage.GetFullList() : _bundlingStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public BundlingViewModel? ReadElement(BundlingSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			var element = _bundlingStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(BundlingBindingModel model)
+		{
+			CheckModel(model);
+			if (_bundlingStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(BundlingBindingModel model)
+		{
+			CheckModel(model);
+			if (_bundlingStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(BundlingBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_bundlingStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(BundlingBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Price));
+		    }
+			_logger.LogInformation("Bundling. Bundling:Id:{ Id}.Price:{ Price}", model.Id, model.Price);
+		}
+
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/CarLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/CarLogic.cs
new file mode 100644
index 0000000..62ebf09
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/CarLogic.cs
@@ -0,0 +1,114 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class CarLogic : ICarLogic
+	{
+		private readonly ILogger _logger;
+		private readonly ICarStorage _carStorage;
+		public CarLogic(ILogger<CarLogic> logger, ICarStorage carStorage)
+		{
+			_logger = logger;
+			_carStorage = carStorage;
+		}
+
+		public List<CarViewModel>? ReadList(CarSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. VINnumber:{VINnumber}.Id:{ Id}", model?.VINnumber, model?.Id);
+			var list = model == null ? _carStorage.GetFullList() : _carStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public CarViewModel? ReadElement(CarSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. VINnumber:{VINnumber}.Id:{ Id}", model?.VINnumber, model?.Id);
+			var element = _carStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(CarBindingModel model)
+		{
+			CheckModel(model);
+			if (_carStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(CarBindingModel model)
+		{
+			CheckModel(model);
+			if (_carStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(CarBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_carStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(CarBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.VINnumber <= 0)
+			{
+				throw new ArgumentNullException("Нет VIN-номера", nameof(model.VINnumber));
+		    }
+			_logger.LogInformation("Car. VINnumber:{VINnumber}. Id: { Id}", model.VINnumber, model.Id);
+			var element = _carStorage.GetElement(new CarSearchModel
+			{
+				VINnumber = model.VINnumber,
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Компонент с таким VIN-номером уже есть");
+		    }
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs
new file mode 100644
index 0000000..245313c
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs
@@ -0,0 +1,106 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class FeatureLogic : IFeatureLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IFeatureStorage _fatureStorage;
+		public FeatureLogic(ILogger<FeatureLogic> logger, IFeatureStorage fatureStorage)
+		{
+			_logger = logger;
+			_fatureStorage = fatureStorage;
+		}
+
+		public List<FeatureViewModel>? ReadList(FeatureSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. FeatureId:Id:{ Id}", model?.Id);
+			var list = model == null ? _fatureStorage.GetFullList() : _fatureStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public FeatureViewModel? ReadElement(FeatureSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			var element = _fatureStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(FeatureBindingModel model)
+		{
+			CheckModel(model);
+			if (_fatureStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(FeatureBindingModel model)
+		{
+			CheckModel(model);
+			if (_fatureStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(FeatureBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_fatureStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(FeatureBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Price));
+			}
+			_logger.LogInformation("Feature. Feature:Id:{ Id}.Price:{ Price}", model.Id, model.Price);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs
new file mode 100644
index 0000000..a23e0e1
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs
@@ -0,0 +1,106 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class StorekeeperLogic : IStorekeeperLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IStorekeeperStorage _storekeeperStorage;
+		public StorekeeperLogic(ILogger<StorekeeperLogic> logger, IStorekeeperStorage storekeeperStorage)
+		{
+			_logger = logger;
+			_storekeeperStorage = storekeeperStorage;
+		}
+
+		public List<StorekeeperViewModel>? ReadList(StorekeeperSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. StorekeeperId:Id:{ Id}", model?.Id);
+			var list = model == null ? _storekeeperStorage.GetFullList() : _storekeeperStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public StorekeeperViewModel? ReadElement(StorekeeperSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			var element = _storekeeperStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(StorekeeperBindingModel model)
+		{
+			CheckModel(model);
+			if (_storekeeperStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(StorekeeperBindingModel model)
+		{
+			CheckModel(model);
+			if (_storekeeperStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(StorekeeperBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_storekeeperStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(StorekeeperBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.PhoneNumber <= 0)
+			{
+				throw new ArgumentNullException("Нет телефона", nameof(model.PhoneNumber));
+			}
+			_logger.LogInformation("Storekeeper. Storekeeper:Id:{ Id}.Price:{ Price}", model.Id, model.PhoneNumber);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/CarCenterBusinessLogic.csproj b/CarCenter/CarCenterBusinessLogic/CarCenterBusinessLogic.csproj
index 3daf2c3..2f2461b 100644
--- a/CarCenter/CarCenterBusinessLogic/CarCenterBusinessLogic.csproj
+++ b/CarCenter/CarCenterBusinessLogic/CarCenterBusinessLogic.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="BusinessLogics\" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>