Business & farm

Although the dividends (box 2,3,5) are easy to report, box 10 is a bit more difficult.

To report the dividends:
<a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/2734968-where-do-i-report-1120-ic-disc-schedule-k-earnings">https:...>

However, TurboTax does not support the Form 8404, which is required for Box 10.  It is a stand-alone filing, so you can manually file it if you want to:
<a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-access/f8404_accessible.pdf">https://www.irs.gov/pub/irs-access/f8404_ac...>