Suppose that the tempeh industry is initially operating in long-run equilibrium at a price level of $5 per pound of tempeh and quantity of 200 million pounds per year. Suppose a leading foodie video blogger raises awareness for a scholarly article that links tempeh consumption to healthy skin. The viral video is expected to cause consumers to demandmore tempeh at every price. In the short run, firms will respond byproducing more tempeh and earning positive profit . Shift the demand curve, the supply curve, or both on the following graph to illustrate these short-run effects of the viral video. Demand Supply 0 40 80 120 160 200 240 280 320 360 400 10 9 8 7 6 5 4 3 2 1 0 PRICE (Dollars per pound) QUANTITY (Millions of pounds) Demand Supply In the long run, some firms will respond by until . Shift the demand curve, the supply curve, or both on the following graph to illustrate both the short-run effects of the viral video and the new long-run equilibrium after firms and consumers finish adjusting to the news. Demand Supply 0 40 80 120 160 200 240 280 320 360 400 10 9 8 7 6 5 4 3 2 1 0 PRICE (Dollars per pound) QUANTITY (Millions of pounds) Demand Supply The new equilibrium price and quantity suggest that the shape of the long-run supply curve in this industry is in the long run.