The restaurant at the hotel galaxy offers two choices for breakfast: an all-you-can-eat buffet and an a la carte option, where diners can order from the menu. the buffet option has a budgeted meal price of $48. the a la carte option has a budgeted average price of $37 for a meal. the restaurant manager expects that 40 percent of its diners will order the buffet option. the buffet option has a budgeted variable cost of $28 and the a la carte option averages $23 per meal in budgeted variable cost. the manager estimates that 2,600 people will order a meal in any month. for july, the restaurant served a total of 2,400 meals, including 940 buffet options. total revenues were $46,060 for buffet meals and $56,940 for the a la carte meals. required: a. compute the volume variance (also known as activity variance) for the restaurant for july.