Join for FREE,
and start talking with other members, weighing in on community polls,
Also, by registering and logging in you'll see fewer ads and pesky
welcome messages (like this one!)
If you did it out of your entire class, you'd have 130 students added to the rank who have never received a grade in the class. The guy with the lowest grade in commerce (115/115) would end up being 115/245. Which isn't right.