FICA Tax (Social Security)
Both the employee and the employer contribute equally.
OASDI has a Taxable Wage Base that is the maximum amount of earnings during a calendar year that is subject to OASDI taxes.
($102,000) tax rate is 6.2% for the first $102,000 earned.
HI has no maximum amount, and hence all earnings are subject to HI. Tax rate is 1.45% of all earnings.