For 2022, determine the deductible charitable contribution in each of the following instances: Required: Charitable contribution of $4,000 and taxable income before charitable contribution of $50,000. Charitable contribution of $8,000 and taxable income before charitable contribution of $50,000. Charitable contribution of $4,800 and taxable income before charitable contribution of $50,000. Taxable income includes a net operating loss carryforward of $5,000. Charitable contribution of $4,800 and taxable income before charitable contribution of $40,000. Taxable income includes a capital loss carryback of $5,000