11. Javier gives written authorization to Tamara to sell his house. Javier dies on the October 4. On October 8, Tamara enters into a written contract on behalf of Javier to sell the house to Trudy for $100,000. Before Tamara entered into the contract, she showed the written authorization to Trudy. Javier's estate is A. not liable. B. obligated to sell for $100,000 because Tamara had express authority. C. liable if the price is fair. D. liable if Tamara knew Javier was deceased at the time of the contract