Retirement tax questions

 

I noticed if I follow this JohnB5677, I will reduce my tax, etc, and then will ask if some was nondeductible.  So many conflicting answers.

 

https://ttlc.intuit.com/community/retirement/discussion/1099-r-box-7-code-g-with-ira-sep-simple-box-...

 

Let me try to call TIA.  Sounds like box 7 should have "2" in my situation.  I am 51 this March :-).