Which of the following would suggest a firm has passed minimum efficient scale and therefore has diseconomies of scale? The firm's machinery begins to break down more often. The firm's cost per unit begins to go down. The firm's transportation costs begin to go down because of the weight of the product. The firm's product becomes too small for buyers to efficiently operate. Which of the following would suggest a firm has passed minimum efficient scale and therefore has diseconomies of scale? The firm's machinery begins to break down more often. The firm's cost per unit begins to go down. The firm's transportation costs begin to go down because of the weight of the product. The firm's product becomes too small for buyers to efficiently operate