Vitamin K antagonists such as warfarin inhibit VKOR to disrupt the vitamin K cycle, resulting in undercarboxylation of vitamin Kâdependent proteins and lowering the functional levels of vitamin Kâdependent blood coagulation proteins.
Regarding the new wage base, the maximum amount of Social Security tax employees and employers will pay in 2015 is $7,347.00, up $93.00 from 2014. The wage base is the same for self-employed people, but there will be no limit on the Medicare tax of self-employed individuals.
1 The maximum social security tax employees and employers will each pay in 2016 is $7,347.00 per employee (unchanged from 2015). 2  Domestic employees. 3  The threshold for coverage under social security and Medicare for domestic employees will be $1,900 in 2015 (unchanged from 2014). 4  Election workers.