D(x) is the price, in dollars per unit, that consumers are willing to pay for x units of an item, and S(x) is the price, in dollars per unit, that producers are willing to accept for x units. Find (a) the equilibrium point, (b) the consumer surplus at the equilibrium point, and (c) the producer surplus at the equilibrium point. 8 D(X) = - 15 FX + 31, S(X) = 7X+5 (a) Find the equilibrium point. (Type an ordered pair, using integers or decimals.) (b) Find the consumer surplus at the equilibrium point. s (Type an integer or a decimal.) (c) Find the producer surplus at the equilibrium point $ (Type an integer or a decimal.)