1. Suppose that total cost of producing face masks for the typical rm is given by C(y) = 43; + yg. Thus, the marginal cost is M C (y) = 4 + 2y. (a) Show that the supply curve of a rm is given by: 3(1)) = 5 2. (b) If the face mask industry is perfectly competitive and there are 200 identical rms in the market, show that the inverse market supply curve is given by: P = 4+ 5, where Q is total industry quantity supplied