The supply and demand for a CD player in The Discount Store are given for two prices. Demand Supply Price 10 50 $140 20 10 $100 (a) Find the linear demand equation ,0 for the CD player. (Let x be the demand quantity.) p: (b) Find the linear supply equation p for the CD player (Let x be the supply quantity.) p: (c) Find the equilibrium quantity and price. The equilibrium quantity is :] CD players at a price of $