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)=91-x, S(x) = 35+0.75x, Pc = $47 a) Find the equilibrium point. (Type an ordered pair.)