Nottingham Forest Products reports the following information concerning operations for the most recent month: There are no inventories. Required: Prepare a sales activity variance analysis for Nottingham Forest Products. Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option. Prepare a sales activity variance analysis for Nottingham Forest Products. Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or " U " for unfavorable. If there is no effect, do not select either option