If you think that is incorrect, please tell us why.
For taxes due, are you thinking the total tax bill or additional payment needed?
At the federal level, a person with less than $12,550 of taxable income will owe no tax. Every state has different tax laws, so we can't guess whether he should owe state tax. Or, he might have had withholding that was equal to the tax, so no additional payment was owed even though he did owe some tax to the state.
