Chuck has a gross pay of $815. 70. By how much will chuck’s gross pay be reduced if he has the following items withheld? federal tax of $56 social security tax that is 6. 2% of his gross pay medicare tax that is 1. 45% of his gross pay state tax that is 19% of his federal tax a. $73. 04 b. $129. 04 c. $235. 51 d. $273. 38.