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401(k) Plan

By Michael Rubin, About.com

Definition: A workplace defined contribution retirement program providing tax-deferred growth of the account. To participate in a 401(k), your employer must offer a plan and you must be eligible to contribute. Eligibility restrictions are determined by the employer.

A 401(k) account is one of the most important components of any successful retirement plan. Employer matching programs enhance the value of a 401(k) plan.
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