Southlawn Incorporated's taxable income is computed as follows: Book income before tax $ 2,405,600 Net permanent differences (512,000) Net temporary differences (189,000) Taxable income $ 1,704,600 Using a 21% rate, compute Southlawn's tax expense per books and tax payable. Tax expense per books $397,656; tax payable $357,966. Tax expense per books $357,966; tax payable $357,966. Tax expense per books $357,966; tax payable $397,656. Tax expense per books $612,570; tax payable $357,966