When authorized by order of the court under Section 2570, the guardian or conservator may purchase:
(a) Real property in this state as a home for the ward or conservatee if such purchase is for the advantage, benefit, and best interest of the ward or conservatee.
(b) Real property as a home for those legally entitled to support and maintenance from the ward or conservatee if such purchase is for the advantage, benefit, and best interest of the ward or conservatee and of those legally entitled to support and maintenance from the ward or conservatee.