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-IRAs allow extra retirement plan contributions for sole proprietors. Simplified employee pension individual retirement accounts (SEP-IRAs) allow sole proprietors to stash extra money in a tax-deferred retirement plan as both the employer and the employee.or example, as of 2013, you can't deduct any of your traditional IRA contribution if you also have a SEP and your MAGI exceeds $69,000. If you're married filing jointly, the limit goes up to $115,000.