Narcisco planned to make and sell 30,000 coples of the book. Required Required 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 29,000 and 31,000 units. Determine the sales and variable cost volume varlances, assuming volume is actually 31,000 units. Indicate whether the variances are favorable or unfavorable. Note: Select "None" if there is no effect (t.e., zero variance)