PLEASE show work and steps so I can study it.

The Eastern District of Adelson Inc. is organized as a cost center. The budget for the Eastern District of Adelson Inc. for the month ended December 31, 2016, is as follows: During December, the costs incurred in the Eastern District were as follows: Required: Prepare a budget performance report for the supervisor of the Eastern District of Adelson for the month of December. Enter all amounts as positive numbers. If an amount box does not require an entry, leave it blank, or enter zero "0". For which costs might the supervisor be expected to request supplemental reports. a. Customer service salaries. b. Customer service salaries and maintenance