Lenci Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During May, the company budgeted for 5,100 units, but its actual level of activity was 5,050 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for May:

Data used in budgeting:

	Fixed element per month	Variable element per unit
Revenue	$ 0	$ 39.60
Direct labor	$ 0	$ 5.50
Direct materials	0	15.70
Manufacturing overhead	41,500	1.30
Selling and administrative expenses	22,700	0.20
Total expenses	$ 64,200	$ 22.70

Actual results for May:

Revenue	$ 197,810
Direct labor	$ 28,565
Direct materials	$ 80,265
Manufacturing overhead	$ 47,905
Selling and administrative expenses	$ 22,680

The revenue variance for May would be closest to:

		$2,170 F
		$4,150 U
		$2,170 U
		$4,150 F