The supply and demand curves reflect the availability and cost of a new gaming system. if the gaming system is currently at demand and supply 1, which change to the graph would have to occur to increase equilibrium price while lowering equilibrium quantity? a. add demand 1 to left of demand. (incorrect i already tried that) b. add demand 1 to right of demand. c. add supply 2 to left of supply 1. d. add supply 2 to right of supply 1.