Robertos salary is $147,860.40 in 2021. Roberto is paid on a semimonthly basis, is single, and claims one dependent who is under the age of 17. Use the Percentage Method Tables for Manual Payroll Systems with Forms W-4 from 2020 or Later. Use percentage method tables for a manual payroll systems. Required: a. What is Robertos federal tax withholding per pay period? b. What is Robertos FICA withholding per pay period before the social security limit is reached? c. For the last pay period in 2021, what is Robertos FICA withholding? Note: For all requirements, round your intermediate computations and final answers to 2 decimal places.