How to fix Estimate Tax Worksheet number?

12c number should be the smaller of line 12a or 12b.
But the bigger number(12b) was auto selected, resulting in Estimate
How can I fix it?

12c number should be the smaller of line 12a or 12b.
But the bigger number(12b) was auto selected, resulting in Estimate
How can I fix it?
That's because you've overridden the option for Payments & Penalties > 2021 Estimated Tax (1040-ES) > Estimate options [O] with option 3=Greater of 90% of 2021 or 100/110% of 2020 tax. The one you should select is 2=Lesser of 90% of 2021 or 100/110% of 2020 tax. I'm assuming you are pretty certain your client will have a lower liability this year.
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