Sophocles Enterprises had the following pretax income (loss) over its first three years of operations: 2019 500,000 2020 (900,000) 2021 1,500,000 For each year there were no deferred income taxes, and the tax rate was 30% for all three years. No valuation account was deemed necessary for any deferred tax asset arising due to the NOL in 2020. What was Sophocles' income tax expense for 2021? A) $450,000. B) $330,000. C) $270,000. (D) $180,000..