Keeping federal withholding allowances less than 6, in which of the following cases will the amount of federal tax withheld from gross pay increase? a. Gross pay stays the same and withholding allowances increase. b. Gross pay increases by >$20 and withholding allowances stay the same. c. Gross pay increases by >$20 and withholding allowances increase. d. Gross pay decreases by >$20 and withholding allowances stay the same