Final answer:
Revenue from sales and fundraising is less predictable and substantial compared to government funding. State governments get 39% of their revenue from taxes and 25% from federal support, while local governments largely depend on property taxes and grants.
Step-by-step explanation:
Comparing revenue streams for state and federal governments versus property sales and fundraising events involves understanding the different sources of government funding. For state governments, taxes are a substantial part of the revenue, accounting for 39%, with a significant 25% coming from federal support. Sales tax, a part of this tax revenue, makes up about 47%, while individual income taxes contribute around 38%. Local governments primarily rely on property taxes, which makes up 72% of their tax revenue, and they also receive 30% of their revenue from federal and state grants.
Funds from the sale of property or from fundraising events can be considered more variable and less predictable compared to the steady income from taxes and federal or state grants. Such events are often supplementary to the main revenue streams and are not the primary financial backbone for state or local government activities. Therefore, while property sales revenue and fundraising can provide additional financial support, they do not typically compare in magnitude to the steady inflow of tax revenue and intergovernmental funds.