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I am employed by a company and make $120,000 a year. Social security is taken out of about the first $100,000. I also have a home-based business which will make about $30,000 this year. Do I need to pay self employment tax on the $30,000? How do I fil
ANSWER
Expert Thomas Gorczynski's Answer:
Self-employment tax consists of two components: Social Security (usually 12.4%; it is 10.4% in 2010) and Medicare (2.9%).
For 2010, only the first $106,800 of wages and net self-employment income are subject to the Social Security portion. This wage base is adjusted annually.
However, all of your wages and net self-employment income are subject to the Medicare portion.
You will need to calculate your self-employment tax on Schedule SE, Section B, which is the long-form.