Snowden Hospital is reviewing its inpatient services lines using the following table to calculate the year-to-year change in expenses (millions) by department. Which departments have the highest and lowest growth rates? Which departments expenses are growing faster than overall expenses?

	2021		2022
Department	Expenses	%	Expenses	%	Change
Laboratory	$10.9		$11.1
Radiology	13.3		13.5
Pharmacy	14.1		14.8
Emergency Department	7.0		7.1
Operating Rooms	9.7		10.1
Respiratory Therapy	6.2		6.2
Nursing	35.3		36.3
Physical Therapy	3.5		3.6
Central Supply	17.7		18.6
Administration	4.4		4.5
Finance	5.3		5.4
Human Resources	2.1		2.1
Housekeeping	6.8		6.9
Total Expenses	$136.3		$140.2