The master budget at Western Company last period called for sales of 226,100 units at $10.1 each. The costs were estimated to be $3.86 variable per unit and $226,100 fixed. During the period, actual production and actual sales were 231,100 units. The selling price was $10.20 per unit. Variable costs were $5.60 per unit. Actual fixed costs were $226,100 Required Prepare a sales activity variance analysis. (Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) WESTERN COMPANY Sales Activity Variance Flexible Budget Sales Activity Variance Master Budget Sales revenue 2,283,610 Less Variable costs 872,746 1,410,864 Contribution margin$ 226,100 (226,100) 226,100 1,184,764 Fixed costs Operating profits $