Send this letter to a customer, thanking him/her for a particular suggestion.
{Date}
To: {Name}
{Address}
{City, State, Zip}
Dear {Recipient},
I wanted to write and personally thank you for your suggestion that {details of the suggestion}.
This really was an excellent suggestion, and {name of company or person} will be implementing it beginning {date}.
To thank you for taking the time to suggest something that improves our ability to serve you, I am including {something you would use to thank a customer or employee}.
Thank you once again for your time and effort.
Sincerely,
{Sender}