how much to tip????

>I JUST GOT MARRIED THREE WEEKS AGO AND THIS IS WHAT WE DID BARTENTERS $20EACH, WAITERS $20EACH, DJ $100, PHOTO $100, MAITRE'D (I WAS ADVISED $1 TO $3 PER PERSON)I HAD 200 GUESTS SO I TIPPED $600. I HOPE THIS HELPS.