Robinson Company makes computer chips. Meti is manager of the company's maintenance department. Because her maintenance technicians are well trained, Meti has a good reputation. In addition to controlling spending, Meti is responsible for setting prices to charge customers, and has permission to sell to outside clients. She can even decide what equipment to buy or replace whenever she likes. Meti and her department are best evaluated as O an investment center O a revenue center O a profit center a shopping center a cost center