"Note: It's good form to take the few minutes it requires to type your question if you expect help."
2. Nevertheless, I did open the file and have a look. Exactly what is it that you can't do? The hints appear more than sufficient.
3. Call me lazy but as a general rule I'm just not in the habit of solving questions in full.
If you show what work you've done and where you got stuck, I'm sure someone will give you a hint.