The costs of services charged to a profit center on the basis of its use of those services are

A) operating expenses
B) noncontrollable charges
C) service department charges
D) activity charges

Service Department Charges

Expenses allocated to a company's operational departments that provide support or services to other internal departments rather than directly to customers.

Operating Expenses

These are costs associated with the day-to-day operations of a business, excluding cost of goods sold, and may include rent, utilities, and salaries.