Answer:
Monopoly
Step-by-step explanation:
This describes a monopoly. 
A type of economic condition in which a group controls all the means of production, and can set their price is called A Monopoly. Broadly speaking, there is one major player who controls the whole market and is thus able to know the quantity and cost of the goods it produces . We have various kind of monopoly namely
- Simple monopoly and Discriminating Monopoly
 - pure monopoly and Imperfect Monopoly
 - natural monopoly
 - Legal monopoly