Stuart Publications established the following standard price and costs for a hardcover picture book that the company produces. Assume that Stuart actually produced and sold 21,000 books. The actual sales price and costs incurred follow. Required Q. \& b. Determine the flexible budget variances and also Indicate whether each variance is favorable (F) or unfavorable (U). (Select "None" If there is no effect (l.e., zero varlance).)