4.- (8 Points) After watching the awesome videos of ECON-281, you know that one of the properties of the prefer- ences is that \"more is better\". However, your friend tells you that the bundle A = (a: = 2,1; = 3) gives her the same utility than the bundle B = (a: = 5, y = 3). With this information, you conclude that your friend must be irrational