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.
Contribution limits. SEP-IRA contributions are treated as part of a profit-sharing plan. For employees, the employer may contribute up to 25% of the employee's wages to the employee's SEP-IRA account. For example, if an employee earns $40,000 in wages, the employer could contribute up to $10,000 to the SEP-IRA account. The total contribution to a SEP-IRA account should not exceed the lesser of 25% of income (20% for self-employed before self-employed tax deduction is included); or $42,000 (for 2005), $44,000 (2006), $45,000 (2007), $46,000 (2008), $49,000 (2009-2011), $50,000 (2012), $51,000 (2013), $52,000 (2014), $53,000 (2015 & 2016), and $54,000 (2017).