At her neighbor's garage sale, Constance buys a vanity dressing table from her neighbor, Carlos, for $160. Constance purchased the vanity table for her own personal use, without any knowledge that Carlos had signed a security agreement giving All Purpose Furniture, Inc. a security interest in the vanity table. All Purpose Furniture did not file a financing statement. Constance does not know that Carlos is still paying off the purchase money security interest and owes All Purpose Furniture, Inc. $400. Under these circumstances