Which of the following firms cannot have a short-run average total cost curve that is U-shaped with the quantity of output? Firm C: FC = $300 and SRMC constant with the quantity of output. Firm B: FC = $200 and SRMC increasing with the quantity of output. Firm A: FC = $100 and AVC increasing with the quantity of output. Firm D: FC = 0 and AVC that is U-shaped with the quantity of output. Firm E: FC = $100 and AVC is U-shaped with the quantity of output