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.
In general, contributions to the owner's SEP IRA account and the contributions made to each eligible employee's SEP IRA account are 100% tax deductible as a business expense. A SEP IRA allows generous contribution limits but also requires generous contributions from the employer on behalf of all eligible employees.