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.
SEP contributions can only be made by the employer. The contribution limits are higher than for a traditional or Roth IRA. The maximum yearly contribution an employer can make to a SEP is the lesser of $51,000 or 25 percent of the worker's salary, as of 2013.ontributions made by the employer are tax-deferred like with a traditional individual retirement account. You may want to take money out of your SEP IRA if you leave your job or want to consolidate your retirement funds.