B. A baker buys up all the sugar in town to make sure that his bakery is the only one that can sell cupcakes.
Explanation:
The monopoly exists as the single seller exists and a specific person is a profit maximizer and is a price maker and is a hard barrier to entry and price discrimination and monopoly includes its profits for identical goods and includes they are comprised of the lack the economics of competition to the produce of the good or the service and a lack of viable substitute goods.
