1) The United States recently released crude oil from a reservoir that it maintains. This action was meant to address: A) how to produce. B) the scarcity of oil. C) the scarcity of gas stations. D) environmental problems with drilling for oil. 2) Which of the following would make the demand curve for printer ink shift leftward? A) The price of computers falls B The cost of printer ink increases. C) The price of printers increases. D) The price of printer ink increases. 3) Suppose that insulin users buy the same amount of insulin regardless of the price. We would represent this situation graphically with: a horizontal supply curve. B) a vertical supply curve. a horizontal demand curve. D) a vertical demand curve. Figure 1 14 10 S D 40 60 70 140 4) Figure 1 shows the graph of the market for pizzas in a large town. a) No pizzas will be supplied unless price is above what number? What is the equation for the demand function? c) What is the equilibrium price and quantity