3. Curves in the Coordinate System Income Price 20,000 $30,000 40,000 $10 2 novels 5 novels 8 novels 12 8 10 13 17 20 18 21 24 22 25 28 This table shows the number of novels Emma buys at various incomes and prices For any given level of incomes, the data on price and quantity demanded can be graphed to produce Emma's demand curve for novels3. Curves in the Coordinate System Income Price $20,000 $30,000 $40,000 $10 2 novels 5 novels 8 novels 9 6 9 12 8 10 13 16 7 14 17 20 6 18 21 24 5 22 25 28 This table shows the number of novels Emma buys at various incomes and prices. For any given level of incomes, the data on price and quantity demanded can be graphed to produce Emma’s demand curve for novels