If the transactions are being entered into TurboTax Online on a one-by-one basis, select How did you receive this investment and report I inherited it.
Select The cost basis is incorrect or missing on my 1099-B.
At the screen We noticed there's an issue with your cost basis..., select I know my cost basis and need to make an adjustment.
Retain your records of the cost basis should a tax authority have a question at a later time.
@Matilda
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