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Budget performance report for a cost center The Eastern District of Adeison Inci is organized as a cost center. The budget for the Eastern District of Adelson Inc. Foc the month ended December 31 is as follows: Durng December, the costs incurred in the Eastern District were as follows: 1. Prepare a budget performance report for the manager of the Eastern District of Adelson for the month of Decernber. If an afmount box does not requice an entry, leave it blank 2. For which costs might the manager be expected to request supplemental reports? a. Customer service salaries. b. Customer service salaries and maintenance. c. Customer service and sales salaries as well as maintenance. d. Maintenance