I need help with these please:

For 2019, determine the deductible charitable contribution in each of the following instances. 2 Required: a. Charitable contribution of $3,700 and taxable income before charitable contribution of $66,000. b. Charitable contribution of $7,400 and taxable income before charitable contribution of $66,000. C. Charitable contribution of $4,425 and taxable income before charitable contribution of $66,000. Taxable income includes a net operating loss carryforward of $6,250. d. Charitable contribution of $4,425 and taxable income before charitable contribution of $54,900. Taxable income includes a capital loss carryback of $6,250. 8 01:29:41 Amount a. Deductible charitable contributions b. Deductible charitable contributions c. Deductible charitable contributions d. Deductible charitable contributions