Assume a local gluten-free pizzeria, on Harrison street, reported the following resuits for June and July June July Unit Sales 2.500 2,900 10,000 s 10,600 Cost of Food Sold Wages and Salar 3,700 4,000 2,000 2,000 500 1,500 580 S 18,100 $19,180 Depreciation Utilities Su Total 500 1.400 500 a. Identify each cost as being fixed, variable or mixed b. Determine the equation for total operating costs (Fixed+ Unit Variable Cost of pizzas) c. Predict the total operating costs for d. Determine the average costs for 3500 pizzas 3500 pizzas