The most profitable price for a monopolist is the price for which marginal revenue equals marginal cost.
The required details about monopolist is mentioned in below paragraph.
If there is just one seller in the market, this is a situation called a monopoly. In traditional economic theory, the monopolistic situation is seen as the complete antithesis of perfect competition. By definition, the demand curve that the monopolist encounters is the industry's downward-sloping demand curve.
What do we mean by marginal revenue and marginal cost?
Marginal revenue refers to the earnings a company receives from each new sale. To put it another way, it figures out how much money a business would make by selling a single more item.
In economics, the term "marginal cost" refers to the difference in total production costs resulting from developing or producing one extra unit. To calculate marginal cost, divide the variance in production costs by the variance in quantity.
Thus, MR=MC is the right answer.
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