please help to answer this question with a clear and correct answer. thank you.

The master budget at Monroe Manufacturing last perlod called for sales of 43,100 units at $53 each. The costs were estimated to be $37 varlable per unit and $535,000 fixed. During the perlod, actual production and actual sales were 46,100 units. The selling price was $52 per unit. Varlable costs were $39 per unit. Actual fixed costs were $526,000. Required: Prepare a sales activity variance analysis. Note: Indicate the effect of each varlance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select elther option