How do voluntary pre-tax deductions, such as 401(k) contributions, typically affect the resulting net paycheck?

Answer

They reduce the amount of income tax owed

Because pre-tax deductions are taken out before federal or state income tax is calculated, they reduce the taxable income base, often leading to a larger eventual net check.

How do voluntary pre-tax deductions, such as 401(k) contributions, typically affect the resulting net paycheck?
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