Terry hires an agent, Janet, to sell a piece of property for no less than 50,000 with Janet to ...

Terry hires an agent, Janet, to sell a piece of property for no less than 50,000 with Janet to receive a 6 commission upon sale. Which of the following is Janet legally permitted to do without Terry's consent?
 a. Janet can sell the property to her brother for 50,000
  b. Janet discovers land values in the area are falling rapidly and, not having a chance to consult with Terry, sells the property for 45,000
  c. Janet discovers land values in the area are likely to jump up soon and so purchases the property for herself d. any of the other specific choices
  e. none of the other choices