The court may, as it deems desirable, cause audits to be made of the books of the receiver relating to any receivership established under sections 375.1150 to 375.1246, and a report of each audit shall be filed with the receiver and with the court. The books, records and other documents of the receivership shall be made available to the auditor at any time without notice. The expenses of each audit shall be considered a cost of administration of the receivership.