For a military empire, this is crucial. Incan cities were built high in the mountains on cliffs that dropped hundreds of feet. As a result, the Incas were in great shape and were some of the best runners in history. Mountains have lots of natural resources to sustain civilization, including fresh water and food.
Because there are no income limits on Roth 401(k) contributions, these accounts provide a way for high earners to invest in a Roth without converting a traditional IRA. In 2014, you can contribute up to $17,500 to a Roth 401(k), a traditional 401(k) or a combination of the two.ecause there are no income limits on Roth 401(k) contributions, these accounts provide a way for high earners to invest in a Roth without converting a traditional IRA. In 2014, you can contribute up to $17,500 to a Roth 401(k), a traditional 401(k) or a combination of the two.
By making after-tax contributions to your 401(k), you are not subject to the initial individual 401(k) contribution limits, so you can save much more. You also are not subject to income limits that apply when funding a Roth I.R.A. the usual way, Ms. Brown said.s. Brown offers this example: Assume you are 45, and your employer allows you to make pretax and after-tax contributions to your 401(k). You contribute the maximum pretax amount for the year ($18,000), and receive $7,000 in employer matching contributions (these vary by employer), for a total of $25,000.