For anyone to complain about paying an extra 5 $ for a family in need is just crazy. Our we so shallow and selfish that we can't come off of five dollars to help someone in need. I'm ashamed to be associaated with anyone who would consider this wrong. Namwen in your original post I know you didn't mean to come off like a jerk but by just asking you showed your parents true colors.
Tell your parents if they don't want to go don't go! This close to christmas and people are acting this way! What a shame.