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 maximum amount of earnings subject to the Social Security tax (taxable maximum) will increase to $127,200. The earnings limit for workers who are younger than full retirement age (age 66 for people born in 1943 through 1954) will increase to $16,920.