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.
The North American Free Trade Agreement's history began in 1980. Its purpose is to reduce trading costs, increase business investment and help North America be more competitive in the global marketplace. The agreement is between Canada, the United States and Mexico. For more details, see NAFTA Fast Facts. What Is Its History?