The manager for Cincinnati FoodCity is compiling the budget for store advertising expense. The current level of activity is 10,000 units. The cost formula for advertising expense is $11,000 per month. What is total advertising expense if the store plans an activity level of 10,500 units? $11,000 $10,500 $11,550 $10,000 The manager for Cincinnati FoodCity is compiling the budget for store advertising expense. The current level of activity is 10,000 units. The cost formula for advertising expense is $11,000 per month. What is total advertising expense if the store plans an activity level of 10,500 units? $11,000 $10,500 $11,550 $10,000