static void Main(string[] args) { Basic t1 = new Basic(); Income t2 = new Income(); Properties t3 = new Properties(); t1.BasicQuestions(); t2.Incomeinput(); Thread.Sleep(2000); t3.Main(); // Allows user to see mortgage amount before pressing ESC to exit the program: Thread.Sleep(3000); Console.WriteLine(); Console.WriteLine(); Console.WriteLine("Thank you for using the Interactive Mortgage Calculator."); Console.WriteLine("Please press ESC to exit."); ConsoleKeyInfo k; while (true) { k = Console.ReadKey(true); if (k.Key == ConsoleKey.Escape) { break; } Console.WriteLine("{0} --- ", k.Key); } }