Suppose the supply function for a certain item is given by S= (+8, and the demand function is given by Dla) = 1728 9.8 Complete parts a through d below HE OFTHE b. Find the point at which supply and demand are in equilibrium The equilibrium point is (Type an ordered pait Simplify your answer) c. Find the consumers' surplus. The consumers' surplus is $ 0. (Round to two decimal places as needed.) 1 d. Find the producers' surplus. The producers' surplus is $0 (Round to two decimal places as needed.)