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Thanks, excellent summation, and to clarify one facet I left out, the LLC's interest income is passive and I knew it was not subject to SE tax. And no there's no church employee aspect.
But if I may further inquire on your reply to (2) I understand what you said, I surmise then in retrospect that if I had not entered the 170 in the SE worksheet and just passed over it, the Turbo Tax ending Error check would have asked me more questions about the "other income" I entered previously and the ramifications thereof.

Would I be correct in surmising that Turbo Tax assumes that at all (or at least part) of any amount I enter in running the SE tax worksheet must be coming from previously entered income at that point ?
It was ambiguously disconcerting Turbo Tax asking me at the end of the interview (after all Income questions and answers were done) to tell Turbo Tax what amounts I think or imagine subject to SE tax. Additionally it did not clarify if the amount I entered will come out of previously entered suspect Income, or an additional mysterious amount that I failed to enter previously to questions given. It just kinda left my hanging.