Figure 7.5 Global Market for Tin Price (Dollars) 20 40 60 80 100 Tin (Thousands of Pounds) Figure 7.5 represents the global market for tin. The Initial equilibrium price and quantity is at point E. As a result of an International Tin Agreement a price range of $3.27 - $4.02 is set. As the supply of tin Increases from SO to $1, the buffer-stock manager will need to Select one: O a. buy 10,000 pounds of tin O b. buy 20,000 pounds of tin O c._sell 10,000 pounds of tin O d. sell 20,000 pounds of tin