Answer:
Most likely constitute a breach of the implied warranty of habitability.
Explanation:
A warranty of habitability specifies that a property for rent is up to standard, that is it meets basic living and safety standards. This warranty is only implied for leases and rentals of residential properties. Since Joe found the premises filled with an abundance of debris, rats and insects and the plumbing in the apartment inoperable, then this property is not up to standard and therefore constitute a breach of the implied warranty of habitability