Millcorp sells wetsuits for deep sea divers. I recently engineered a new material for its wetsuits to better hold in the wearer's body heat. After a close encounter with a Shark, a customer discovers that the new material protects against shark bites, an unintended benefitthat Millcorp was not aware of . Soon after, Millcorp sales exploded and it achieves 90% market share in diver wetsuits. Whichnof the following best describes this situation?

Millcorp does not have a monopoly.

Millcorp can likely be found guilty of pursuing monopoly power.

Millcorp has a lawful natural monopoly

Millcorp has a lawful innocent acquisition of a monopoly.