2.00 points Exercise 17-25 Sales Mix and Quantity Variances (LO 17-3) option has a budgeted average price of $26 for a meal. The restaurant manager expects that 40 percent of t's diners will order he butet option The bufet option has a budgeted varlable cost of $17 and the a la carte aption averages $12 per meal in budgeted variable cost. The manager estimates that 2,100 people wil order a mea in any month For July, the restaurant served a total of 1,300 meals, including 640 buftet options Total revenues were $2, 600 for buifer mea's and s$34,020 for he a la cane mea's Required: a. Compute the activity varlance for the restaurant for July. (Do not round intermediate calcuilations Indicste the eftect of each variance by selecting" select either option for favorable, or U for unfavorable. If there is no eftect, do no