With no explanation, chose the best option from "A" or "B". Madeline is Cynthia's only tenant, and Cynthia relies on Madeline's rent money to pay her bills. Madeline wants to move out of Cynthia's apartment.

A: Having already paid this month's rent, Madeline packs her things and moves without saying goodbye or giving warning to Cynthia.
B: Madeline gives Cynthia a two-month notice before moving out of her apartment.
B.