Question 4 2 pts Which of the following statements is correct for firms who want to maximise their profits? Choose the one correct answer O A firm with a differentiated product will face a horizontal demand curve for their good O The optimal outcome for a firm producing a differentiated good, where MRS=MRT, is efficient from society's point of view O Some of the combinations along the same isoprofit curve may give different levels of profit O A successful advertising campaign for the firm's product would shift out the firm's feasible frontier (demand curve)