Walton Manufacturing Company established the following standard price and cost data: Walton planned to produce and sell 2,400 units. Actual production and sales amounted to 2,500 units. Assume that the actual sales price is $8.50 per unit and that the actual variable cost is $3.80 per unit. The actual fixed manufacturing cost is $2,200, and the actual selling and administrative costs are $525. Required a.\&b. Determine the flexible budget variances and classify the effect of each variance by selecting favorable (F) or unfavorable (U). Note: Select "None" if there is no effect (i.e., zero variance)