Employees at a large call centre perform repetitive tasks $($low variety$)$ by documenting mailing addresses from customers who call the centre. The work process is the same for all inquiries to all call centre staff members $($low analyzability$).$ The best organizational structure for this work unit:

would have none of these characteristics.

is a mechanistic structure.

would have low formalization.

would coordinate mainly through informal communication.

is an organic structure.