Budget performance report for a cost center

During July, the costs incurred in the Consumer Products Division were as follows:

Required:

GHT Tech Inc.

Budget Performance Report$-$Director, Consumer Products Division

For the Month Ended July $31$

For which costs might the director be expected to request supplemental reports?

Customer service salaries and marketing salaries as they are significantly over budget

Customer service salaries, warehouse wages and marketing salaries as they have significantly changed

Engineering salaries and warehouse wages as they are significantly under budget