In March 2000 the Ministry of Trade and Industry in Singapore stated that Gross Domestic Product grew by 5.4 % in the previous year. This produced higher revenues from taxation and resulted in a budget surplus. What may be concluded from this statement?
A The change in Gross Domestic Product was caused by a change in taxation.
B The government had increased the rate of taxation and the expenditure on its services.
C The national income of the country had increased and so more was paid in taxes.
D There had been economic growth because the government had reduced its expenditure and budgeted for a surplus.