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 Pinnacle West's income tax expense in 2021