_ - A price ceiling is given along with demand and supply functions, where D(X) is the price. in dollars per unit, that consumers will pay for x units, and S(x) is the price, in dollars per unit, at which producers will sell x units. Find (a) the equilibrium point, (b) the point (xc,pc), (c) the new consumer surplus, (d) the new producer surplus, and (e) the deadweight loss. D(x) = 84 x, S(x) = 18 + 0.5x, pC = $32