Pretax financial statement income for the year ended December 31, 2024 was $140 million for Walters Company. Walters's taxable income was $100 million. This was a result of differences between depreciation for financial reportin purposes and tax purposes. The enacted tax rate is 30% for 2024 and 40% thereafter. What amount should Walters report as the current portion of income tax expense for 2024?