Answer:
$4,842.20
Explanation:
The computation of the amount of FICA-Social Security withheld is shown below:
= (First earning each calendar year - gross pay) × social security tax rate
= ($128,400 - $50,300) × 6.2%
= $78,100 × 6.2%
= $4,842.20
All other given information that are mentioned in the question is not relevant. Hence, ignored it