Ann signed a 1-year lease for an apartment that required that she pay the first month's rent of $2,200, the last month rent of $2,200, and a non refundable cleaning deposit of $1,000. The year passed without an incident and Ann moved out at the expiration of the lease term. 30 days later, the landlord returned $3,500, explaining that the deductions were made from the security deposit because Ann did not disclose that she had a cat living in the apartment. Ann wasn't aware of a cat restriction and comes to you for advice. What is the result?

Please answer and please note that this is is an analytical piece, not an opinion piece. 4-5 sentences.