diff --git a/AircraftPlant/AircraftPlantContracts/BindingModels/ShopBindingModel.cs b/AircraftPlant/AircraftPlantContracts/BindingModels/ShopBindingModel.cs
index 74d61f5..c8aa382 100644
--- a/AircraftPlant/AircraftPlantContracts/BindingModels/ShopBindingModel.cs
+++ b/AircraftPlant/AircraftPlantContracts/BindingModels/ShopBindingModel.cs
@@ -41,5 +41,10 @@ namespace AircraftPlantContracts.BindingModels
             get;
             set;
         } = new();
+
+        /// <summary>
+        /// Максимальное количество изделий
+        /// </summary>
+        public int MaxPlanes { get; set; }
     }
 }
diff --git a/AircraftPlant/AircraftPlantContracts/BusinessLogicsContracts/IShopLogic.cs b/AircraftPlant/AircraftPlantContracts/BusinessLogicsContracts/IShopLogic.cs
index f8bdb53..f23492d 100644
--- a/AircraftPlant/AircraftPlantContracts/BusinessLogicsContracts/IShopLogic.cs
+++ b/AircraftPlant/AircraftPlantContracts/BusinessLogicsContracts/IShopLogic.cs
@@ -58,5 +58,21 @@ namespace AircraftPlantContracts.BusinessLogicsContracts
         /// <param name="count"></param>
         /// <returns></returns>
         bool AddPlaneInShop(ShopSearchModel model, IPlaneModel plane, int count);
+
+        /// <summary>
+        /// Добавление изделий в магазины
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        bool AddPlanes(IPlaneModel plane, int count);
+
+        /// <summary>
+        /// Продажа изделий
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        bool SellPlanes(IPlaneModel plane, int count);
     }
 }
diff --git a/AircraftPlant/AircraftPlantContracts/StoragesContracts/IShopStorage.cs b/AircraftPlant/AircraftPlantContracts/StoragesContracts/IShopStorage.cs
index 9c89ffe..9dbabac 100644
--- a/AircraftPlant/AircraftPlantContracts/StoragesContracts/IShopStorage.cs
+++ b/AircraftPlant/AircraftPlantContracts/StoragesContracts/IShopStorage.cs
@@ -1,6 +1,7 @@
 using AircraftPlantContracts.BindingModels;
 using AircraftPlantContracts.SearchModels;
 using AircraftPlantContracts.ViewModels;
+using AircraftPlantDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -54,5 +55,13 @@ namespace AircraftPlantContracts.StoragesContracts
         /// <param name="model"></param>
         /// <returns></returns>
         ShopViewModel? Delete(ShopBindingModel model);
+
+        /// <summary>
+        /// Продажа изделий
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        bool SellPlanes(IPlaneModel plane, int count);
     }
 }
diff --git a/AircraftPlant/AircraftPlantContracts/ViewModels/ShopViewModel.cs b/AircraftPlant/AircraftPlantContracts/ViewModels/ShopViewModel.cs
index 7ca01d7..44f1df3 100644
--- a/AircraftPlant/AircraftPlantContracts/ViewModels/ShopViewModel.cs
+++ b/AircraftPlant/AircraftPlantContracts/ViewModels/ShopViewModel.cs
@@ -45,5 +45,11 @@ namespace AircraftPlantContracts.ViewModels
             get;
             set;
         } = new();
+
+        /// <summary>
+        /// Максимальное количество изделий
+        /// </summary>
+        [DisplayName("Максимальное количество изделий")]
+        public int MaxPlanes { get; set; }
     }
 }
diff --git a/AircraftPlant/AircraftPlantDataModels/Models/IShopModel.cs b/AircraftPlant/AircraftPlantDataModels/Models/IShopModel.cs
index ca684fa..780d13a 100644
--- a/AircraftPlant/AircraftPlantDataModels/Models/IShopModel.cs
+++ b/AircraftPlant/AircraftPlantDataModels/Models/IShopModel.cs
@@ -30,5 +30,10 @@ namespace AircraftPlantDataModels.Models
         /// Коллекция изделий в магазине
         /// </summary>
         Dictionary<int, (IPlaneModel, int)> ShopPlanes { get; }
+
+        /// <summary>
+        /// Максимальное количество изделий
+        /// </summary>
+        int MaxPlanes { get; }
     }
 }