The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Related Content The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle.