Walton Manufacturing Company established the following standard price and cost data: Sales price Variable manufacturing cost Fixed manufacturing cost Fixed selling and administrative cost 8.10 per unit $ 3.60 per unit $2,300 total $700 total Walton planned to produce and sell 2,700 units. Actual production and sales amounted to 2,900 units. Assume that the actual sales price is $7.85 per unit and that the actual variable cost is $3.90 per unit. The actual fixed manufacturing cost is $2,000, and the actual selling and administrative costs are $725. Required a.&b. Determine the flexible budget variances and classify the effect of each variance by selecting favorable (F) or unfavorable (U) (Select "None" if there is no effect (i.e., zero variance).)