public void Display() { Console.WriteLine($"\n*** Day Trip - {TripName} ***"); Console.WriteLine($"Morning: {Activities[0].ToString()}"); Console.WriteLine($"Lunch: {Lunch.ToString()}"); Console.WriteLine($"Afternoon: {Activities[1].ToString()}"); Console.WriteLine($"Dinner: {Dinner.ToString()}"); if (Accommodation != null) { Console.WriteLine($"Hotel: {Accommodation.ToString()}"); } Console.WriteLine($"Evening: {Activities[2].ToString()}"); Console.WriteLine($"Transport: {Transport.ToString()}"); Console.WriteLine($"Client: {Client.ToString()}"); }