Dear

Thank you for your request for our bid on [project]

This letter is to acknowledge our receipt of said request

and to advise you that we will be submitting our proposal

on or before [confirmation of deadline]

Dear

Your counter proposal on the above referenced project

has been reviewed and is acceptable in its entirety.

We are enclosing an executed copy of the agreement along

with two copies for your files.

We are enthusiastically looking forward to this project

and are pleased about having the opportunity to work

together.