Indicate whether each firm experiences economies of scale or diseconomies of scale

Consider the following table of long-run total costs for three different firms: Quantity 1 2 3 4 5 6 7 Firm A 21 32 43 54 66 80 Firm B 10 15 18 23 35 50 65 Firm C 10 19 28 37 46 55 60 Indicate whether each firm experiences economies of scale or diseconomies of scale. (Note: If a firm experiences economies of scale in one region and diseconomies of scale in another, make sure to select both columns.) Firm Economies of Scale Diseconomies of Scale A O O B O O C O O Grade It Now Save & Continue Continue without saving