Vernon Manufacturing Company established the following standard price and cost data: Vernon planned to produce and sell 2,600 units. Actual production and sales amounted to 2,700 units. Assume that the actual sales price is $7.95 per unit and that the actual variable cost is $3.50 per unit. The actual fixed manufacturing cost is $2,100, and the actual selling and administrative costs are $635. Required a.\&b. Determine the flexible budget variances and classify the effect of each variance by selecting fovorable (F) or unfavorable (U). Note: Select "None" if there is no effect (i.e., zero variance)