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 a units. Demand function: D(x) = e-x+9.3 Supply function: S(ac) = ex-4.2 (a) Find the consumer surplus at the equilibrium point: (b) Find theyproducer surplus at the equilibrium point