Robertos salary is $129,600 in 2018. Roberto is paid on a semimonthly basis, is single, and claims one allowance. Assume that his employer uses the percentage method of withholding. Use withholding allowance and percentage method tables.

1. What is Robertos federal tax withholding per pay period?
2. What is Robertos FICA withholding per pay period before he reaches the social security limit?
3. For the last pay period in 2018, what is Robertos FICA withholding?

(For all requirements, round your intermediate computations and final answers to 2 decimal places.)