public static void Main(string[] args) { SalesPerson fred = new SalesPerson { Age = 31, Name = "Fred", SalesNumber = 50 }; // extending PtSalesPerson from SalesPerson PtSalesPerson partTime1 = new PtSalesPerson { Name = "Hari", Age = 31, Id = 2342, SalesNumber = 40, Pay = 234.4F, }; //Manager Manager chucky = new Manager("Chucky", 50, 92, 1000000, "333-2332-s23", 9000); double cost = chucky.GetBefitCost(); chucky.GiveBonus(300); chucky.DisplayStats(); Console.WriteLine(); SalesPerson frank = new SalesPerson("Fran", 43, 93, 3000, "9333-32-3232", 31); frank.GiveBonus(200); frank.DisplayStats(); Console.WriteLine(); CastingExamples(); }