Benefits of what they do is that everyone will see him as a philanthropist. Spending money at all, he did not keep it for himself alone. He used to serve others.
Benefit from what they do is they think everyone will merit a. The money spent to everyone he did not keep it to himself alone. He runs the other benefits as well.
Benefit from what he had done is that everyone can see that he was a man of generous spending money at all. He does not have to keep it to myself. He was taken to other benefits.