public static int Add(string make, int year)
{
var id = Cars.Count == 0 ? 1 : Cars.Max(c => c.Id) + 1;
var car = new Car { Id = id, Make = make, Year = year };
Cars.Add(car);
return car.Id;
}
private static string GetDescription(Car car)
{
return string.Format("{0} ({1})", car.Make, car.Year);
}
