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.
Most people who donât have access to a 401(k) account at work can still contribute to an IRA, but the contribution limits are much lower. While workers can defer taxes on up to $17,500 using a 401(k) ($23,000 for those age 50 and older), they can only defer taxes on $5,500 using an IRA ($6,500 at age 50 or older).Thereâs also no match with IRA accounts or other types of employer contributions. Workers who earn more than the income limits.or Roth IRAs, the AGI phaseout range is $114,000 to $129,000 for singles and heads of household and $181,000 to $191,000 for married couples, but those who earn more may still be able to convert traditional IRA assets to a Roth.