potential tax hikes for every american what do we know about this possible bill? not much, and may be more importantly if it passes, what does it mean for your wallet on january 1st, that is if we fall off the cliff. matt mccall is president of penn financial group llc. the irs is today notifying employers on how much they will have to withhold from their employees' checks. let's go through each and every one of these tax increases if there is no deal, and we dive off the cliff. let's begin with the first one. marginal income tax rates ric rice for nearly everybody in america. >> over 90% of americans will be hit with higher taxes, and everybody talks about the wealthy getting hit the hardest. what i find fascinating is two-thirds of americans that make less than $20,000 a year will get hit with higher tax rates which will equal a gain of close to $600 more per year in taxes. if you're making let's say $18,000 you could get hit with