сомнительно, но ОКЭЙ

TravelCompany/TravelCompanyContracts/BindingModels/Contractor/ExcursionBindingModel.cs

@@ -8,7 +8,7 @@ namespace TravelCompanyContracts.BindingModels.Contractor
     {
         public int Id { get; set; }
         public string ExcursionName { get; set; } = string.Empty;
-        public int ExcursionPrice { get; set; }
+        public double ExcursionPrice { get; set; }
         public int ContractorID { get; set; }
     }
 }

TravelCompany/TravelCompanyContracts/SearchModels/Contractor/ExcursionSearchModel.cs

@@ -10,7 +10,7 @@ namespace TravelCompanyContracts.SearchModels.Contractor
     {
         public int? Id { get; set; }
         public string? ExcursionName { get; set; } = string.Empty;
-        public int? ExcursionPrice { get; set; }
+        public double? ExcursionPrice { get; set; }
         public int? ContractorID { get; set; }
     }
 }

TravelCompany/TravelCompanyContracts/ViewModels/Contractor/ViewModels/ExcursionViewModel.cs

@@ -14,7 +14,7 @@ namespace TravelCompanyContracts.ViewModels.Contractor.ViewModels
         [DisplayName("Наименование экскурсии")]
         public string ExcursionName { get; set; } = string.Empty;
         [DisplayName("Стоимость экскурсии")]
-        public int ExcursionPrice { get; set; }
+        public double ExcursionPrice { get; set; }
         public int ContractorID { get; set; }
     }
 }

TravelCompany/TravelCompanyDataModels/Models/Contractor/IExcursionModel.cs

@@ -9,7 +9,7 @@ namespace TravelCompanyDataModels.Models.Contractor
     public interface IExcursionModel : IId
     {
         string ExcursionName { get; }
-        int ExcursionPrice { get; }
+        double ExcursionPrice { get; }
         int ContractorID { get; }
     }
 }

TravelCompany/TravelCompanyDatabaseImplement/Models/Excursion.cs

@@ -20,7 +20,7 @@ namespace TravelCompanyDatabaseImplement.Models
         public string ExcursionName { get; set; } = string.Empty;
 
         [Required]
-        public int ExcursionPrice { get; set; }
+        public double ExcursionPrice { get; set; }
 
         [Required]
         public int ContractorID { get; set; }