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.
Employee Contributions. If you work for an employer that offers a SEP IRA, you can make your contributions as an employee as late as your tax filing deadline, not including extensions. This means that most years, you must get the money deposited by April 15 of the following year.