A quotation letter is given to a potential customer/client upon their requests and will contain their requested price quote.
If the letter is being sent as a hard copy, then it should be in the proper business format, otherwise, if the letter is being emailed, it should have an appropriate subject line and proper grammar.
Thank you for your recent request for a price quote on [Services]. After reviewing your request, we determined that you will need the following materials and labor:
[List of materials and price on each]
[Estimated labor time and rate]
The total cost of these materials and labor will be [insert total price quote]. This price is valid for the next 30 days. We expect to have the work completed within 10 business days of a signed agreement.
Thank you for considering our company. Your satisfaction is our top priority. If you have any questions or would like us to proceed with the [Services], please do not hesitate to contact us.