The economy of Smallville produces three goods: wheat, fish, and melons. The accompanying table shows the prices and output of the three goods for the years 2012, 2013, and 2014.
WheatFishMelonsYearPriceQuantityPriceQuantityPriceQuantity2012$20100$3200$2400$22$4ES20131202254152014$25125$5210$4375