Mr. Juan Prez works as an employee of a pharmaceutical company and during 2007 receives an annual salary of $ 24,000 and in addition, $

Mr. Juan Pérez works as an employee of a pharmaceutical company and during 2007 receives an annual salary of $ 24,000 and in addition, $ 16,000 for commissions and $ 12,000 for diet and mileage.  In addition, the employer makes an annual contribution of $2,160.00 to Mr. Perez's medical plan.

 

1. What of the above items are taxable for Social Security purposes?

 

1. How much will both employer and employee have to pay for Social Security contributions?