d. Select Tax calculation/other taxes. What tax law changes have impacted the identified errors for this category over the 10 year period? +ableau -60% 2011 -50% 2012 -40% 2013 Math Errors on Individual Income Tax Returns % Difference in Number of Errors 30% 20% 10% 0% -10% -20% -30% Tax Year Return Item (All) Adjusted gross/taxabl... Adjustments to income Child Tax Credit Earned Income Tax Cr... Education Credits Exemption number/a... Filing status First-Time Homebuyer... Making Work Pay Tax.... Other Other credits Rebate Recovery Credit Refund/Amount Owed Standard/itemized de... Tax calculation/other... Item Withholding or excess... Tax calculation/other... 2014 2015 2016 2017 2018 2019 2020 2021 K C