Nottingham Forest Products reports the following information concerning operations for the most recent month: Actual (based Master Budget on actual sales budgeted sales (based on of 4,800 units) of 4,000 units) $ 228,700 $ 188,000 Sales revenue Less Manufacturing costs Direct labor Materials Variable overhead Marketing 50,302 39,000 31,520 27,200 16,608 13,100 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 Marketing 38,930 14,860 37,400 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. 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. Sales revenue Variable costs: Manufacturing costs: Direct labor NOTTINGHAM FOREST PRODUCTS Sales Activity Variance Flexible Budget (based on actual of 4,800 units) Master Budget Sales Activity Variance (based on budgeted 4,000 units) $ 188,000 39,000 Materials 27,200 Variable overhead 13,100 Marketing 6,200 Administrative 6,500 Total variable costs $ 0 $ 92,000 Contribution margin $ 0 $ 96,000 Fixed costs: Manufacturing Marketing 37,400 12,200 Administrative 10,400 Total fixed costs $ 0 $ 60,000 Operating profits $ 0 $ 36,000