Mykrosoft Corporations taxable income for the year ended December 31, 2021 was $2,000,000 on which its tax liability was $420,000. In order for Mykrosoft to escape the estimated tax underpayment penalty for the year ending December 31, 2022, Mykrosofts 2022 estimated tax payments must equal at least

Select one:

a.

The 2021 tax liability of $420,000.

b.

100% of the 2022 tax liability.

c.

93% of the 2021 tax liability.

d.

90% of the 2021 tax liability.