Kirnon Clinic uses client-visits as its measure of activity. During July, the clinic budgeted for 4,400 client-visits, but its actual level of activity was 4,460 client-visits. The clinic has provided the following data concerning the formulas to be used in its budgeting:

	Fixed element per month			Variable element per client-visit
Revenue		-		$	41.40
Personnel expenses	$	37,400		$	12.60
Medical supplies		3,400			9.40
Occupancy expenses		8,600			3.40
Administrative expenses		7,400			0.70
Total expenses	$	56,800		$	26.10

The activity variance for net operating income in July would be closest to:

Multiple Choice

• $168 F

• $918 U

• $168 U

• $918 F