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.
Ultimate guide to retirement. An employee is eligible to participate in a SEP IRA if he or she is at least 21 years old and has worked for the company in three of the last five years, and received at least $600 in compensation during the year. As an employer, you don't have to fund contributions every year.