The department of developmental disabilities shall conduct a desk review of all cost reports it receives under sections 5124.10, 5124.101, and 5124.522 of the Revised Code. Based on the desk review, the department shall make a preliminary determination of whether the reported costs are allowable costs. The department shall notify each ICF/IID provider of whether any of the reported costs are preliminarily determined not to be allowable costs, the medicaid payment rate determined under this chapter as a result of the determination regarding allowable costs, and the reasons for the determination and resulting rate. The department shall allow the provider to verify the calculation and submit additional information.