Choose one of these businesses: A retail store, fast food restaurant, or an auto repair shop. Once chosen, answer these questions: 1. What is the single best measure that best reflects the overall level of activity in that business? 2. What are some examples of fixed and variable costs with respect to small changes in the activity that you have chosen? Example: Business: Dental Clinic 1. Activity: Number of patient visits. 2. Fixed Cost: Salaries, Depreciation of Insurance, office rent; Variable Cost: Supplies such as dental floss, toothbrushes, mouthwash