I participated in a simulation and here were my results...can you help me explain which type of market inefficiencies derive from monopolies, describe the types of inefficiencies that derive from monopolistic competition and how are monopolies and monopolistic competitive firms profitable?

Round Market Type Quantity Market Price Marginal Total Profit Cost 1 Single Market 4 $7.00 $2.00 $20.00 Price 3 Discrimination 4|4 $7.00 | $3.6 $2.00 $26.4 Price 4 Discrimination 4|2 $7.00 | $3.8 $2.00 $23.6