For $2023,$ determine the deductible charitable contribution in each of the following instances:

Required:

a$.$ Charitable contribution of $$2,700$ and taxable income before charitable contribution of $$44,000.$

b$.$ Charitable contribution of $$5,400$ and taxable income before charitable contribution of $$44,000$ :

c$.$ Charitable contribution of $$3,175$ and taxable income before charitable contribution of $$44,000.$ Taxable income includes a net operating loss carryforward of $$3,750.$

d$.$ Charitable contribution of $$3,175$ and taxable income before charitable contribution of $$35,900.$ Taxable income includes a capital loss carryback of $$3,750.$

$\backslash$table$[[,$Amount$],[$a$.$ Deductible charitable contributions,$],[$b$.$ Deductible charitable contributions,$],[$c$.$ Deductible charitable contributions,$],[$d$.$ Deductible charitable contributions,$]]$