More than 70 tax breaks enjoyed by individuals and businesses expired at the end of 2011. If Congress doesn't extend them retroactively back to the beginning of this year, a typical middle-class family could face a $4,000 tax increase when it files its 2012 return in the spring.On top of the $4,000 tax increase American Worker's will pay 2% more out of their paychecks for Social Security Tax if Congress does not extend the Payroll Tax Holiday!!!!!