The advantage to departmentalizing by the function performed is group of answer choices a. increased accountability for product performance under a single manager. b.obtaining efficiencies from putting like specialists together. c.being able to focus on a common set of problems which each type of customer may have. d. all of the above are correct

Option B      

Explanation: In simple words, functional departmentalization refers to the process in which an organisation makes different departments within, for performing different tasks.

For example - all the activities related to procurement of money will be performed by finance department.

The main advantage of doing so is that each department will perform only specific assigned activities and all the employees working in the departments will be those who are experts in the field.