Melissa Gallegos bought a used 1996 Saturn automobile for $2,155 from Raul Quintero, doing business as JR’s Motors. Their written contract focused primarily on the transfer of physical possession of the vehicle and did not mention who would pay the taxes on the sale. Gallegos paid Quintero $2,200, believing that this amount included the taxes. When she asked him for the title to the vehicle, he told her that only the state could provide the title and only after the taxes were paid. Quintero added that they had orally agreed Gallegos would pay the taxes. Without the title, Gallegos could not obtain license plates and legally operate the vehicle. More than six years later, she filed a suit in a Texas state court against Quintero, alleging breach of contract. Did Quintero substantially perform his obligation under the contract? Explain. [Gallegos v. Quintero, 2018 WL 655539 (Tex.App.—Corpus Christi- Edinburg 2018)] (See Discharge by Performance.)