The sport annually draws millions of dollars of tax revenue. NOI is the difference between gross revenue and operating expenses. The British government debt is rising due to a gap between revenue and expenditure. It is one of the cities with the highest tax collection and internal revenue allotment. A monopoly chooses that price that maximizes the difference between total revenue and total cost. Combined, these accounted for 91.9% of total industry operating revenue. The government also has additional tax revenue (blue region). This decision was in a series of moves designed to increase revenue. The network insisted it needed the extra advertising revenue. This has significantly affected oil production leading to cuts in exports and government revenue. This adds up to a total estimated home media revenue of . The payment represents 44% of the 2008 federal government revenue. The film's total worldwide gross revenue was $46,122,713. The total revenue generated worldwide was $47,494,916. Tourism is one of the most important economic activities in terms of revenue generation.