Final answer:
The taxes paid by employees on their salary, wages, and other compensation are for Social Security and Medicare.
Step-by-step explanation:
The subject of this question is Social Studies. The question is asking about the taxes paid by employees, specifically the taxes on their salary, wages, and other compensation. The correct answer is a) Social Security, Medicare. Employees pay taxes for Social Security and Medicare at a rate of 6.2% and 1.45% respectively.