12 of 12 World market U.S. market S Sus 150 Price (s) Price (S) 123 100 Dus world 0 2 4 6 8 10 12 Q Millions of barrels of oil per day Millions of barrels of oil per day Refer to Figure 4.4. If a $25 per barrel tax is levied on imported oil, the United States will import 6 million barrels of oil per day. import 2 million barrels of oil per day. import 10 million barrels of oil per day. RU export 10 million barrels of oil per day