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.
If you participate in a SEP IRA, you can contribute as much as 25% of your gross annual salary or 20% of your net adjusted annual self-employment income, as long as the contributions do not exceed the maximum of $53,000 in 2016. The SEP IRA limit is set to increase to $54,000 in 2017.