ABC company limited's management and staff have little or no efforts on improving on their communication skills. They have argued that every human being is by nature, a communicator and that they were each of them communication is already effective communication skills. However, every quarter of a year, ABC Co limited experiences decreasing sales.

Since it is argued that a human being is by nature, a communitor, discuss whether it is necessary to learn communication skills or not? (10 marks). Give also at least 10 references material.