Joseph O'Neill is paid his annual bonus, this does not affect O'neill insurance coverage, which is based on regular pay. This year his bonus is $75,000 for with holding purposes, the bomus is considered a supplemental payment and is added to his gross pay, and the aggregate amount is taxed. for this pay, O 'neill has increased his simple deduction to $4,000. determine the federal income tax for Joseph O'Neil. You can use any tax tables on internet if you would like.