I received a notice from the IRS that my schedule 8812 line 5 calculation was incorrect, and that now I owe the IRS ~$4000 because of this error (includes interest). I double checked the math using my 1040 form information and the line 5 worksheet that I found on www.irs.gov/schedule8812 and indeed, the figure that was used in the calculation for line 5 was 9000 instead of 6000. Clearly there is some math or calculation error that occurred somewhere. Even after updating the software today, I am not seeing that number getting changed in my form (which I'd already filed). What can be done to correct this?
