show work please

Martin is married (spouse does not work), two dependents who are under the age of 17. What is his federal income tax withholding under the following conditions? Assume that Martin has only one job or that step 2 of Form W-4 is not checked. Also, his employer uses the percentage method table for a manual payroll. Use percentage method tables for a manual payroll systems. Required: a. Martin is paid semimonthly, and his gross pay is $3,915 per paycheck. b. Martin is paid monthly, and his gross pay is $7,510 per paycheck. c. Martin is paid weekly, and his gross pay is $5,560 per paycheck. (For all requirements, round your intermediate computations and final answers to 2 decimal places.) Amount a. Federal income tax withholdings b. Federal income tax withholdings c Federal income tax withholdings