Paper (millions of tons) 11 W 0 14 16 19 20 Steel (millions of tons) Refer to Figure 2-5. If the economy is currently producing at point W, what is the opportunity cost of moving to point X? not producing 14 million tons of steel / extra 9 million tons of paper not producing 5 million tons of paper / extra 3 million tons of steel O not producing 9 million tons of paper / extra 16 million tons of steel O not producing 2 million tons of paper / extra 2 million tons of steel