Answer: A---incurs costs and does not directly generate revenue.
Step-by-step explanation:
A cost center is a department or unit in an organization which incurs cost on the organisation for its operation but does not directly add profit or directly generate revenue to the company.
Examples of a cost centre in a company include, The IT department., Research and Development Department.
For example the way in which an IT department, a cost centre in a company can indirectly generate revenue by operating efficiently and for the Research and Development Department is to develop a new promising product.