Evaluating Cost Center Performance P2. Metal Products, LLC, manufactures metal beverage containers. The division that manufactures soft-drink beverage cans for the North American market has two plants that operate 24 hours a day, 365 days a year. The plants are evaluated as cost centers. Small tools and supplies are considered variable overhead. Depreciation and rent are considered fixed overhead. For the month, the master budget for a plant and the actual operating results of the two North American plants, East Coast and West Coast, follow