OCAS Financial InformationClick here to view Oklahoma Cost Accounting System’s (OCAS) analysis of John Rex. Estimate of Needs 2023Click to view John Rex’s estimate of needs for 2023. Estimate of Needs 2024Click to view John Rex’s estimate of needs for 2024. Estimate of Needs 2025Click to view John Rex’s estimate of needs for 2025. Audits 2023 – Click here 2022 – Click here 2021 – Click here