Auto Fill fields based on dropdown selection.

[JennJack]

I would like to auto fill 2 fields from the selection of a dropdown. 

8. Hiring contractor name selection  should populate 9. Federal tax ID Number and 11. Email fields based on the selection.  Can someone tell me how to do that?

[Thom Parker]

Read this:

https://acrobatusers.com/tutorials/change_another_field/