Need advice navigating with first client pricing.

[ So sorry for the wall of text :')] I'm currently in talks with a small company that needs some help with their processes etc. Basically they have some inneficiencies and I'm building an app that could automate these things so they don't lose so much time doing this work. Now the value proposition is strictly internal, it could help them get more revenue by being more efficient and having more time to focus on other things but all things considered is a