Benson Publications established the following standard price and costs for a hardcover picture book that the company produces. Assume that Benson actually produced and sold 31,000 books. The actual sales price and costs incurred follow: Required a. \& 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 (i.e., zero voriance).) Required a. 8 b. Deferinine the flexble budget vorlances and alsoindicate whether each variance is tavorable (F) or untavorable (U). (Select "None" if there is no effect (i.e. Iero variance).)