Nottingham Forest Products reports the following information concerning operations for the most recent month:

	Actual (based on actual sales of 4,800 units)	Master Budget (based on budgeted sales of 4,000 units)
Sales revenue	$ 228,700	$ 188,000
Less
Manufacturing costs
Direct labor	50,302	39,000
Materials	31,520	27,200
Variable overhead	16,608	13,100
Marketing	7,805	6,200
Administrative	7,215	6,500
Total variable costs	$ 113,450	$ 92,000
Contribution margin	$ 115,250	$ 96,000
Fixed costs
Manufacturing	38,930	37,400
Marketing	14,860	12,200
Administrative	9,510	10,400
Total fixed costs	$ 63,300	$ 60,000
Operating profits	$ 51,950	$ 36,000

There are no inventories.

Required:

Prepare a sales activity variance analysis for Nottingham Forest Products.

Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.