Always finish with a conclusion. This must be short (no more than 100 words) and should be an at-a-glance overview of the proposal. It allows those who can’t be bothered to read your entire document to have it all in one hit. It is always advisable to add a copyright line to any proposal. And a cheerful ‘thank you’.
Graphic Design: A User’s Manual by Adrian Shaughnessy of United Editions