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I checked both w2 and I made 400 dollars less then last year I paid 70 dollars less in federal withholding 26 less in social security withholding and 6.22 in Medicare withholding everything else is identical to the 52 dollars I send to United way to my exemptions of 1 the only reason I made more last year was overtime which I didn’t work any in 2017 I’m extremely upset and mind blown by this they say I owe 492 but how