When first drawing a graph of a monopolist making supernormal profits, followed by adding new output and price when AC=AR (sales maximisation), do you safe its pareto inefficient, or do you state that it is more allocative efficient since the MC is now closer to the price?

Thanks for the video; what is the scope of these contents are used for and under which domain? How to access the general agenda? Which university is teaching this and under what name of major? Which book shall I read to access the whole similar content of these agendas? Thank you