$18,750 unfavorable variable overhead spending variance = $360,000 â $341,250. Variance is unfavorable because the actual variable overhead costs are higher than the expected costs given actual hours of 97,500. $68,250 unfavorable variable overhead efficiency variance = $341,250 â $273,000.
The regulatory T cells (Tregs pronunciation: /ËtiËrÉÉ¡/), formerly known as suppressor T cells, are a subpopulation of T cells which modulate the immune system, maintain tolerance to self-antigens, and prevent autoimmune disease.
Macrophages and helper T cells stimulate B cell production through cell-mediated response. The Lymph System. The lymph system assists the immune system and may be also be considered part of the circulatory system, particularly because of its work with lymphocytes. Its main purpose is to transport white blood cells and remove interstitial fluid.