points Buehler Diner is a charity supported by donationn that providen free meals to the homeless. The diner's budget for October was based on 3,400 maal, but the door actually more 3.200 meals. The diner's director has provided the following cost formulas to use in budgets Variable Foed element element per per month meal Groceries $0 $280 Kitchen operations $5.300 $1.75 Administrative expenses $3,000 $0.75 Fundraising expenses $1,500 $0.00 Compute the activity variance for administrative experies caused by serving less meals than expected. State answer as positive number