A bar chart showing the information provided in Table 7. A second vertical axis is shown on the right of the graph. The left vertical axis says: ‘Number of portions sold’ with the scale showing numbered intervals at 10 000, 20 000, 30 000 and 40 000. The right vertical axis says: ‘Number of portions sold (000s)’ with the scale showing numbered intervals at 10, 20, 30 and 40.