please i need answer for these multiple choice questions

Suppose a perfectly competitive market is currently in a long-run equilibrium. If the demand curve were to shift inward, then in the SHORT-RUN, the equilibrium price will , equilibrium quantity will and rm profits will be :Select one a. fall, rise, negative 0 b. fall,fall, positive 0 0. fall, fall, negative 0 (2!. rise, rise, positive O :Monopolies misallocate resources because :Select one a. monopolies earn large profits 0 b. price exceeds average total cost Q 0. price exceeds marginal cost 0 cl. both a and b 0 e. both a and c O Suppose a monopolist can sell his product in two separated markets. Demand curve facing : him in the first market is P 1 = 38-qx : And in the second market is P 2 =14-0.25q x And the marginal cost = the average cost = $10 based on the above information, answer questions 36 through 40 The optimal quantity that can sell in -38 : the second market is equal to :Select one a. 18 units O b. 8 units O c. 12 units O d. 10 units O