For 2020, the social security tax rate was 6.2% (amount withheld) each for the employer and employee (12.4% total). The social security wage base limit was $137,700. The tax rate for Medicare was 1.45% (amount withheld) each for the employee and employer (2.9% total). There was no wage base limit for Medicare tax; all covered wages were subject to Medicare tax. In 2020, Rob was paid $392.82 per week as a cook for Freaky Fast Food. Determine the weekly withholding for social security. $ Determine the weekly withholding for Medicare. $