the Australia government-when is the federal budget prepared

the Australia government

1. when is the federal budget prepared?
2. who is responsible for preparing the federal budget?
3. how is the final federal determined? explain in detail how the government creates its budget.
4. what percentage of the gross domestic product is presented by the federal budget.
5. what are the revenue sources for the federal budget. indicate percentage contribution of each of the major sources.
6. how does Australia spending as a percentage of GDP compare with government spending in other countries.
7. how are deficit financed