Answer
$3280$
Work Step by Step
Using the table we get:
tax liability on first $12400$: $12400\cdot0.1=1240$
tax liability on$12401$ to $46000$: $(46000-12400)\cdot0.15=5040$
Total tax liability: $1240+5040=6280$
Total tax owed: total tax liability-tax credits= $6280-3000=3280$