Acornadian inc., a total marketing solutions company based in london, has separate teams based on functional areas like digital marketing, traditional marketing, advertising, public relations, client servicing, etc. the entire company is divided in such a way that people with their specific areas of expertise have to focus on only those areas for maximum results. in this case, acornadian inc. is engaged in the practice of:

Functional Departmentalisation.

functional departmentalization

Explanation:

When an organization engages in functional departmentalization, it is organized into different departments or business units depending on what function each department performs within the organization.

For example, a manufacturing company will be divided into production department, marketing department, finance department and administrative department.

the third answer is correct.