A state income tax revenue fell not only because of lower wages and salaries, but also due to tax evasion.
B in spite of the global recession, US income tax collections have shown a modest increase in states like California and Vermont.
C income tax withholdings bear no relationship to citizens' wages and salaries.
D income tax is not the only source of state revenue, but the major one.
E although most American sates experienced considerably lower personal income tax collections in the first four months of 2009, predictions are that they will have fully recovered by 2011.