Thornton Publications established the following standard price and costs for a hardcover picture book that the company produces: Standard price and variable costs Sales price Materials cost Labor cost Overhead cost Selling, general, and administrative costs Planned fixed costs Manufacturing overhead Selling, general, and administrative Thornton planned to make and sell 21,000 copies of the book. Required: $ 36.60 8.90 4.10 6.00 6.30 $ 130,000 46,000 a. to d. Prepare the pro forma income statement that would appear in the master budget and also flexible budget income statements, assuming production volumes of 20,000 and 22,000 units. Determine the sales and variable cost volume variances, assuming volume is actually 22,000 units. Indicate whether the variances are favorable or unfavorable. Note: Select "None" if there is no effect (i.e., zero variance). Number of units Variable manufacturing costs Fixed costs Master Flexible Budgets Volume Variances Budget 21,000 20,000 22,000