DIRECTIONS for questions 82 and 83: The graph below gives the number of electronic commerce transactions that took place in the last six months of financial year 2005. This graph shows data for private consumption only and does not include corporate electronic commerce activity. The numbers above each bar are in millions, and the average price per unit for each product category is shown in brackets in the legend.
If the airline ticket purchases made through internet increase by 20% and the average price of the airline ticket increases by 25%, then the net increase in revenues from the e-commerce activities worldwide will be ____ per cent of the corresponding pre-price-increase revenues.