Nick owns a small bookstore in downtown Rock Hill. On Friday mornings, he gets a new shipment of books that he stores in the basement. To access the basement, he opens a hatch in the floor and uses a ladder to transport the books. One Friday morning, he opens the basement floor hatch and starts moving books from the truck outside into the basement. A customer, Dan, is walking through the store and doesn't notice the open door. He falls and breaks his leg. Make the case for negligence against Nick as the owner of the bookstore for each of the four elements:

1. Duty

2. Breach

3. Causation

4. Damages