Bear Diner is a charity supported by donations that provides free meals to the homeless. The diner's budget for the year was based on 2,600 meals, but the diner actually served 2,133 meals. The diner's director has provided the following cost formulas used in this year's original planning (static) budget: The director has also provided the diner's statement of actual expenses for the year: What is the activity (volume) variance for administrative expenses? Report favorable as a positive amount and unfavorable as a negative amount. Round to a whole number