Chloroplast: Photosynthesis. In photosynthesis, the sun's solar energy is converted to chemical energy. The chemical energy is stored in the form of glucose (sugar). Carbon dioxide, water, and sunlight are used to produce glucose, oxygen, and water.
SEP IRA Contribution Limits 2013. You can contribute up to 25% of your total salary or 20% of your adjusted annual income to a SEP IRA, up to a limit of $51,000 in tax year 2013. This is almost twice the limit for 401(k) investors.
You may only make contributions to your own SEP IRA if you are your own employer, whether full or part time. If you own an SEP IRA as part of your employment benefit, you cannot make contributions to this account. You may, however, set up and contribute to a traditional or Roth IRA up until your tax filing deadline.f you own an SEP IRA as part of your employment benefit, you cannot make contributions to this account. You may, however, set up and contribute to a traditional or Roth IRA up until your tax filing deadline.