please solve

2.} It is often stated that the competitiveness of markets can be judged on the basis of how easily cost reductions pass through to the consumer. Let's consider the market demand curve: P = 36 Q. Suppose all firms initially.r have a constant marginal cost of 12 and then there is an innovation that drops marginal cost by six units, clown to En. la] Calculate the change in market price under Monopoly. {h} Calculate the change in market price in a tworm Cournot model. {c} Calculate the change in market price in a two-rm Stackelherg model. {d} Calculate the change in market price under perfect competition