Object and Classes - Store Boxes Error

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;

namespace Objects_and_Classes
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Box> boxInformation = new List<Box>();
            List<Item> itemInformation = new List<Item>();
            string input = Console.ReadLine();
            while (input != "end")
            {
                string[] tokens = input.Split(" ");
                int serial = int.Parse(tokens[0]);
                string name = tokens[1];
                int quantity = int.Parse(tokens[2]);
                double price = double.Parse(tokens[3]);
                double boxPrice = quantity * price;
                Box box = new Box();
                Item item = new Item();
                item.Name = name;
                item.Price = price;
                box.Serial = serial;
                box.Item = name;
                box.Quantity = quantity;
                box.Price = boxPrice;
                boxInformation.Add(box);
                itemInformation.Add(item);
                input = Console.ReadLine();
            }
            boxInformation.Sort();
            boxInformation.Reverse();
            foreach (Box box in boxInformation)
            {
                Console.WriteLine(box.Serial);
                Console.WriteLine($"-- {box.Item} - {itemInformation.}");
            }
        }
    }
}
namespace Objects_and_Classes
{
    class Item
    {
        public string Name { get; set; }
        public double Price { get; set; }
    }
}
namespace Objects_and_Classes
{
    class Box
    {
        public int Serial { get; set; }
        public Item Item { get; set; }
        public int Quantity { get; set; }
        public double Price { get; set; }
    }
}