Which of the following is correct about Social Security and Medicare taxes?
a) The 2024 tax rate for social security is 6.2% for the employer and 6.2% for the employee, or 12.4% total.
b) The 2024 rate for Medicare is 1.45% for the employer and 1.45% for the employee, or 2.9% total.
c) Employers are responsible for withholding the 0.9% Additional Medicare Tax on an individual's wages paid in excess of $200,000 (single) or $250,000 (MFJ) in a calendar year.
d) All of the above
