public static void GetComissionFrom(Estate estate, IComissionCalculator comission, IInitialPrice initPrice) { var iPrice = initPrice.Get_price_fromLandlord(estate); var com = comission.Get_poundage(estate, estate.Get_price_fromLandlord(iPrice)); Console.OutputEncoding = System.Text.Encoding.UTF8; System.Console.Out.WriteLine("The poundage is " + estate.Get_poundage(com) + "€"); }