static void Main()
{
Book book = new Book("Worley", "Inside ASP.NET", 10);
book.Display();
Video video = new Video("Spielberg", "Jaws", 23, 92);
video.Display();
Console.WriteLine("\nMaking video borrowable:");
Borrowable borrowvideo = new Borrowable(video);
borrowvideo.BorrowItem("Customer #1");
borrowvideo.BorrowItem("Customer #2");
borrowvideo.Display();
Console.ReadKey();
}
