public static void Main(string[] strings) { MyMoney dm = new MyMoney(); dm.CurrencyValue = 2.50M; Console.WriteLine(dm.CurrencyValue); Dollar dollar = new Dollar(); dollar.InitDollar(1.2M); dollar.EuroValue = dm.EuroValue; Console.WriteLine(dollar.CurrencyValue); dollar.CurrencyValue = 2 * dollar.CurrencyValue; dm.EuroValue = dollar.EuroValue; Console.WriteLine(dm.CurrencyValue); }