The statement that would serve as the most effective conclusion to Mr. Washington's plea is This strip mall will not only help me, ladies and gentlemen, but help all other struggling businesses in this difficult economy.
Explanation:
As everybody presents a totally selfish vision of what should or shouldn't be done about the proposal of this new strip mall, Mr. Washington presents his point of view as an opportunity of everybody to grow and he does not deny that he would have a personal benefit from this nevertheless it is not only for him but for everyone around.