4 Luigi’s Lasagna is a price taker. Its costs are: Output Total cost (plates per hour) (euros per hour) 0 14 1 38 2 48 3 62 4 80 5 102 6 128 a What is Luigi’s profit-maximizing output and how much profit does he make if the market price is (i) a24 a plate, (ii) a20 a plate and (iii) a12 a plate? b What is Luigi’s shutdown point and what is his profit? c Over what price range will firms with costs identical to Luigi’s enter the lasagna industry?