Q1: The K-1 form with all 0s is fine.
Q2: You'll have to change the cost basis on your 1099-B to $5699. If the broker reported the incorrect cost basis, the interview will give you a choice of codes and you'd just pick the one that says the broker was wrong. If you've already efiled, though, wait until your return is accepted before amending.
Q3: The K3 probably won't affect your return, so waiting is unnecessary. If it does, you can always amend again.
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**Note also, I'm not a Tax Preparer/CPA. Just a volunteer, seasoned, TurboTax user.
Use any advice accordingly!
This answer has been verified for accuracy by an Intuit expert employee
