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Roberto's salary is $147,860.40 in 2021. Roberto is paid on a semimonthly basis, is single. and clainis one dependent who is under the age of 17. Use the Percentage Method Tables for Manual Payrol Systems with Forms W-4 from 2020 or Later. Use kercentsoe method tables for a manual payroll systems. Required: a. What is Roberto's federal tax withholding per pay period? b. What is Roberto's FICA withholding per pay period before the social security limit is reached? c. For the last pay period in 2021, what is Roberto's FICA witholding? Note: For all requirements, round your intermediate computations and final answers to 2 decimal plnces. Answer is complete but not entirely correct