A guardian of the estate, with prior approval of the court by order, may sell, lease or place in trust any of the property of the protected person:
1. For the purpose of paying claims against the protected person, the guardianship estate or the guardian of the estate.
2. For the purpose of providing for the proper care, maintenance, education and support of the protected person and any person to whom the protected person owes a legal duty of support.
3. For the purpose of investing the proceeds.
4. To obtain income through rentals or royalties.
5. For any other purpose that is in the best interests of the protected person.