using System;

using System.Collections.Generic;

using System.Web;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        new UnitTests().PerformUnitTest();

    }

}

​

​

public class CartItem

{

   public Guid ProductId { get; set; }

   public decimal Price { get; set; }   

}

​

public class Cart

{

   public List<CartItem> Items { get; set; }

   public decimal Price { get; set; }

}

​

​

public class UnitTests

{   

    public void PerformUnitTest()

    {

    }

}

​

​

​