The Remaining Basis of the Business Assets you have in TurboTax is a good starting point.
You can add other assets that were included in the Sale of your Business, but not currently in TurboTax, with their original cost and dates of business use and their remaining basis is calculated for you.
Other non-tangible assets can also be considered, such as Goodwill.
Here's more info:
https://ttlc.intuit.com/replies/5125949
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"