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.
Self-Employment Tax Deduction. The self-employment tax refers to the employer portion of Medicare and Social Security taxes that self-employed people must pay. Everyone who works must pay these taxes, which for 2016 and 2017 are 7.65% for employees and 15.30% for the self-employed. Hereâs how the rates break down: