The type of Monopoly that occurred when a regulated business is been given control on essential service is B: natural monopoly.
- A natural monopoly can be regarded as a kind of monopoly that occurr, as a result of a single firm serving market at lower cost that is even lower than that of combination of two or more firms.
- It do occur when government give that control to a firm on essential service such as water treatment.
Therefore, option B is correct.
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