Movie theater Popcorn costs more per ounce than filet mignon in U.S.A.
According to this ABC News report, the average tub of popcorn at a movie theater costs more per ounce than a filet mignon. They state the average small bucket of popcorn will usually cost $5.50 or so.
There are a number of reasons why popcorn is so expensive. First, popcorn is a commodity crop, which means that the price of popcorn is largely dictated by the laws of supply and demand. Popcorn is also a labor-intensive crop, requiring a lot of hand-picking.