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.
Employer-driven savings. SEP-IRAs are funded only by employer contributions; employees canât contribute on their own behalf. The accounts let you set aside much more money than most other retirement accounts; in 2015 and 2016 you can contribute up to 25% of compensation or $53,000, whichever is lower.