title: Best way to design shopping cart domain model on C#?
body: <p>Google can`t help me. I find only this link: <a href="http://flylib.com/books/en/2.522.1.56/1/" rel="nofollow">http://flylib.com/books/en/2.522.1.56/1/</a></p>
  
  <p>So, once there is the question - why do we need divide Product and Item?</p>