Abby is a broker who was hired to sell a 3-family house. The house is owner-occupied with the remaining two units being rented out. How would you characterize Abby's 3-family listing?

Mixed-use property since it is both owner-occupied and a rental property.

Residential property since it has four or fewer units.

Commercial property since at least one of the units is being rented out.

Unimproved land since it is owner-occupied.