You will make 1065 as the Final return.
You will get a new EIN for single member LLC. The source is your link in the answer above.
and lastly, no Form 8332 is required to be filed. Source: https://fitsmallbusiness.com/form-8832-instructions/
Below somewhat similar question asked and answered earlier on this subject.
https://ttlc.intuit.com/questions/4098640
