The main aim of the monopolist is to maximize the profit and
the big advantages of this market are to maximize the profit by
selling more good at the discriminating price.
In the Monopoly market, there is a chance of earning more than
normal profit because of less competition and here the profit is
existing when average cost lies below the average revenue curve and
here the gap between OP and OP 1 is supernormal profit.
It can be represented in the following diagram.