The Streptococcus bovis/Streptococcus equinus complex includes four major species that all belong to group D streptococci (GDS); this taxonomy was established in 2003 and is summarized in the Table (table 1) [1].
For 2014, the self-employment tax rate is 15.3 percent. The rate is divided into two parts: 12.4 percent for social security and 2.9 percent for Medicare. But as a self-employed individual, you are considered both the employer and the employee, which makes the entire self-employment tax burden yours.
The Self-Employment Tax. The self-employment tax is the combined Social Security and Medicare taxes due on net self-employment income. Self-employed persons take a deduction for the employer's portion of the Self-Employment tax as a line item deduction on page 1 of their Form 1040. The self-employment tax itself and the deduction for the employer portion is calculated on Schedule SE. State income tax rates apply to net self-employment income.