Clinton corp. operates in an industry for which nol carryback is not allowed, and had the following pretax income (loss) over its first three years of operations 2019$1,200,000 2020 (900,000) 2021 1,500,000 for each year there were no deferred income taxes and the tax rate was 25%. no valuation account was deemed necessary for the deferred tax asset as of december 31, 2020. what was clinton's income tax expense in 2021?