Tax Drill - Computation of Kiddie Tax In 2021, Simon, age 12, has interest income of $900 and dividend income of $4,000. He has no investment expenses. Determine Simon's net unearned income and total tax liability. Click here to access the 2021 tax rate schedule. If required, round the tax liability the nearest dollar. Net unearned income is $ 2,700 . Simon's total tax is _______