A: The maximum amount that a person can contribute to his Roth 401(k) for the calendar year 2015 is $18,000, or $24,000 for those over age 50.his means an investor under age 50 can invest $10,000 in a Roth 401(k) and $8,000 in a traditional 401(k) and vice versa.
Definition of free trade. : trade based on the unrestricted international exchange of goods with tariffs used only as a source of revenue.
At the heart of the U.S.-Mexico trade relationship is the North American Free Trade Agreement (NAFTA), which encompasses the worldâs largest free trade area (the United States, Mexico, and Canada), linking 450 million people producing $17 trillion in goods and services.