Assume the following reverse demand P = 100 Q and costs C(Q) = 20Q. a) Calculate the optimal price, the quantity sold, the consumer surplus, the producer and deadweight loss Assume the following reverse demand P = 20 Q and costs C(Q) = Q² a) Calculate the optimal price, the quantity sold, the consumer surplus, the producer and deadweight loss. single-price monopoly. Assume the following demand P = 10 Q and costs C(Q) = cQ, where it is a constant positive. a) Calculate the equilibrium price and quantity. b) How will an increase in costs affect your answers in part a)