Cost (in cents) of the little fake green “grass” found in those containers of sushi you buy in the supermarket. Since it’s inedible, what’s the point of adding it? Historically, the Japanese used real lily or orchid leaves as a way of preventing rice from acquiring a fishy smell. Today in Japan, bamboo leaves are used for the same reason. In the U.S., alas, it’s P.E.T plastic.