Exercise 15-8A (Algo) Determining flexible budget variances LO 15-3, 15-5 Thornton Manufacturing Company established the following standard price and cost data: Thornton planned to produce and sell 2,900 units. Actual production and sales amounted to 3,100 units. Assume that the actual sales price is $8.60 per unit and that the actual variable cost is $4.10 per unit. The actual fixed manufacturing cost is $2,200, and the actual selling and administrative costs are $725. Required a.\&b. Determine the flexible budget variances and classify the variances by selecting favorable (F) or unfavorable (U). (Select "None" if there is no effect (i.e., zero variance).)