A particular commodity has a price-demand equation given by p = √18,484 - 418x, where x is the amount in pounds of the commodity demanded when the price is p dollars per pound. (a) Find consumers' surplus if the equilibrium quantity is 40 pounds. (Round your answer to the nearest cent if necessary.) $ (b) Find consumers' surplus if the equilibrium price is 17 dollars. (Round your answer to the nearest cent if necessary.) $