The master budget at Western Company last period called for sales of 225,200 units at $9.2 each. The costs were estimated to be $3.77 variable per unit and $225,200 fixed. During the period, actual production and actual sales were 230,200 units. The selling price was $9.30 per unit. Variable costs were $4.70 per unit. Actual fixed costs were $225,200. 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.)