egolf corporation failed to include $305,000 of taxable interest income on its 2021 calendar year form 1120. the gross income reported on the return was $5.2 million, and the return was filed on february 20, 2022. required: what is the last day on which the irs may assess additional tax for egolf's 2021 taxable year? assume egolf only reported $1 million in gross income on its 2021 calendar year return. what is the last date on which the irs may assess additional tax for 2021?
