Fees will vary, substantially, depending on where the practice is located.

I have a minimum charge of $ 400.

I won't charge extra to just enter the amount of the EIP(s); that presumes that my client provides the info.  If they don't "know" what they got.... my first instinct is to fire them 😁

I will NOT be attempting to track down what they received for them, but IF I did (there's always an exception) - they would pay royally for my services.

Scroll down to Page 14 to see average fees by region...It varies much wider than this shows, but it gives you somewhere to start

https://www.natptax.com/explore/Documents/2020-FeeStudy.pdf

Those just list business returns what about personal?

I found something on page 8, thank you.