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Exercise 15-8A (Algo) Determining flexible budget variances LO 15-3, 15-5 Walton Manufacturing Company established the following standard price and cost data: Walton planned to produce and sell 2,900 units. Actual production and sales amounted to 3,200 units. Assume that the actual sales price is $8.10 per unit and that the actual variable cost is $420 per unit. The actual fixed manufocturing cost is $1,300, and the actual selling and odministrative costs are $535 Required a. \&b. Determine the flexible budget variances and classify the variances by selecting favorable (F) or untavorable (U) (Select "None" if there is no effect (l.e., zero variance).)