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What are the tax liability, the marginal tax rate, and the average tax rate for a married individual filing separately with $$42,500$ taxable income?

What are the tax liability, the marginal tax rate, and the average tax rate for a single individual with $$150,500$ taxable income?

What are the tax liability, the marginal tax rate, and the average tax rate for a head of household individual with $$275,000$ taxable income?

What are the tax liability, the marginal tax rate, and the average tax rate for a married couple filing jointly with $$630,000$ taxable income?