You see a 10lb tub o proteinz you want but its $97.
You are a typical broke ass college student miscer, so you borrow $50 from your dad and $50 from your mom.
You purchase supplement and you get $3 back.
You give your dad a $1, your mom a $1, and you keep a $1. now you owe each $49 ...so
wheres that last dollar
Itt your mind = faurked
go ahead figure it out. its tricky at first.