Adams Manufacturing Company established the following standard price and cost data.

Sales price

Variable manufacturing cost

Fixed manufacturing cost

Fixed selling and administrative costAdams planned to produce and sell $2,500$ units. Actual production and sales amounted to $2,600$ units.Requireda. 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.