D(x) is the price, in dollars per unit, that consumers are willing to pay for x units of an item, and 8(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 1 ' D(x)= -~x+24,S(x)=Ex+2 g 15