I tried $14,499 and that was wrong I also tried $14,498 and that was wrong too.

$103,554 was joint income

$9,086 was tax base

(103,554-78,950)*0.22 = 5,412.88

5,412.88 + 9,086 = 14,498.88

What am I doing wrong?

Required: The W-2 incomes of Betty and her husband Ronald were $51,866 and $51,688, respectively. If Betty and Ronald use a filing status of married filing jointly, determine their tax liability. Use the appropriate Tax Tables. Answer is complete but not entirely correct. Tax liability $ 14,499