static void Main(string[] args) { List <IMenu> menu = SingletonMenu.Create(); Restaurant restaurant = new Restaurant(9, menu); while (true) { Console.Clear(); restaurant.Update(); Console.WriteLine($"Clients waiting in queue: {restaurant.ClientsQueue.Count}"); Console.WriteLine($"Restaurant income: {restaurant.Income:0.00}"); Console.WriteLine($"Number of clients served: {restaurant.NoClientsServed}"); Console.WriteLine($"Average amount spent by the client: {restaurant.Income / restaurant.NoClientsServed:0.00}"); restaurant.Display(); Console.Write(restaurant.CurrentClientsOrders); Console.ReadKey(); } }