Lesotho'footwear industry manufacturer one in maseru and other in maputsoe.aputsoe.in maseru te marginal benefit associated wih ppolluiio cleeanup is MB$=300-10$Q while in maputsoe te marginal benefit assscciaeedwith ppoutiio cleanup is MB$=200-4$Q$\mathrm{.}200-4$Q$.$suppposse that tth marginal cosstof ccleanup is ccosstnnt at$12$ peeruunt.Assume ttht exttenal costs is$10$ iineeach firm.calculate optimal level of ppoution in eeach of the 2 industries?$$