My go to answer:
You can search though these instagram posts as most people have described their typical shoot pricing.
You can also search these articles on my blog for examples:
You can hire @wonderfulmachine to help you
You can hire a consultant: https://aphotoeditor.com/2008/02/04/list-of-photography-consultants/
@blinkbid and @cradoc_fotosoftware fotoquote have software with pricing
You can ask your peers.