Budget performance report for a cost center The Eastern District of Adelson Inc, is organized as a cost cantec. The budger for the Eastem District of Adelson Inc, for the month ended December 31 is as follows: During December, the costs incucred in the Eastern District were as follows: 1. Prepare a budgek performance report for the manager of the Eastern District of Adelson for the month of December. If an amount box does not reauire an entry, leaye it blaak. Adelson Inc. Budget Performance Report-Manager, Eastern District For the Month Ended December 31 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