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.
The calculations use the 2007 FICA income limit of $97,500 with an annual maximum Social Security benefit of $25,392 per year for a single person and 1.5 times this amount for a married couple.