Thornton Manufacturing Company established the following standard price and cost data. Sales price Variable manufacturing cost Fixed manufacturing cost Fixed selling and administrative cost $ 8.70 per unit $ 4.00 per unit $2,300 total $ 600 total Thornton planned to produce and sell 2,900 units. Actual production and sales amounted to 3,100 units. Required a. Determine the sales and variable cost volume variances. b. Classify the variances as favorable (F) or unfavorable (U). d. Determine the amount of fixed cost that will appear in the flexible budget. e. Determine the fixed cost per unit based on planned activity and the fixed cost per unit based on actual activity. Complete this question by entering your answers in the tabs below. Req A and B Req D Req E Determine the sales and variable cost volume variances and classify the variances as favorable (F) or unfavorable (U). (Select "None" if there is no effect (i.e., zero variance).) 3. Sales b. Variable manufacturing Volume Variances