The table below shows the supply schedule for Adam and Ben, both producers in the market for hamburgers. Market for Hamburgers Price S12 14 16 18 20 Adam's Quantity Supplied 80 100 90 70 90 Ben's Quantity Suppplied 10 20 30 Which statement is true concerning the supply schedules and the lew of supply? A - Only Ben is following the law of supply. B - Both producers are following the law of supply. C - Only Adam is following the law of supply. D - Neither producer is following the law of supply.