Mucous is the adjectival form of the more familiar noun, mucus. In other words, mucous is actually the action or ability to make the yucky stuff we blow into tissue, which is mucus. There are mucous cells, mucous fluid, mucous membranes, and mucous glands. They are all different objects that can secrete mucus.
  Thus, if you have business income, you can contribute to your ROTH IRA if you are eligible and a SEP IRA. If your SEP IRA is likely to become substantial or you have funds in a 401(k) from a previous employer and you are an one person (or one person with a spouse) business, you should look into individual 401(k)s.
Contributions don't affect other accounts. Contributions that you make to an employee's SEP IRA don't affect his or her ability to contribute to another IRA account. Employees who also work for another business where they have a separate retirement account can still have a SEP IRA with your company.igher limits. A SIMPLE IRA offers higher contribution limits than a traditional or Roth IRA. In 2013, employees can contribute up to $12,000 to their account, plus a $2,500 catch-up contribution for employees older than 50.