Tupperware’s CFO says rising oil prices would cause the company to pay $15 million more for resin, which is based on oil, than it did a year ago. Resin prices are closely tied to the price of oil, which peaked at $114 a barrel in April.

 The Wall Street Journal, June 27, 2011, If the government puts a price cap on resin at today’s price ($100 a barrel), explain why a shortage will occur. Which allocation method would most likely be used to distribute resin?