In GvHD, the donated bone marrow or peripheral blood stem cells view the recipientâs body as foreign, and the donated cells/bone marrow attack the body. There are two forms of GvHD: 1  Acute graft versus host disease (aGvHD).
Self-employment tax is a tax consisting of Social Security and Medicare taxes primarily for individuals who work for themselves. It is similar to the Social Security and Medicare taxes withheld from the pay of most wage earners. You figure self-employment tax (SE tax) yourself using Schedule SE (Form 1040). Social Security and Medicare taxes of most wage earners are figured by their employers.
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.