Analyze budget variances and evaluate performance for a service department.

Budgeted Costs	Actual Costs
Salaries	$300,000
Supplies	$50,000
Utilities	$30,000
Administrative Costs	$100,000
Revenue	$500,000

Requirements:

Calculate the total variance for each budgeted cost item.

Analyze the reasons for favorable or unfavorable variances.

Recommend corrective actions to improve cost management and departmental performance.